Finding the Fourth Proportional to 76,503,391,072.64, 105,575,046,366.64 and 42,209,095,904.56

Step by Step Solution

1. Step 1: Write the proportion equation
   76,503,391,072.64 : 105,575,046,366.64 = 42,209,095,904.56 : x
2. Step 2: Convert to fraction form
   76,503,391,072.64/105,575,046,366.64 = 42,209,095,904.56/x
3. Step 3: Cross multiply
   76,503,391,072.64x = 105,575,046,366.64 × 42,209,095,904.56
4. Step 4: Simplify right side
   76,503,391,072.64x = 4,456,227,257,217,876,230,144
5. Step 5: Solve for x
   x = 4,456,227,257,217,876,230,144/76,503,391,072.64
6. Step 6: Final answer
   x = 58,248,754,659.60