Finding the Fourth Proportional to 76,111.55, 105,076.16 and 45,904.49

Step by Step Solution

1. Step 1: Write the proportion equation
   76,111.55 : 105,076.16 = 45,904.49 : x
2. Step 2: Convert to fraction form
   76,111.55/105,076.16 = 45,904.49/x
3. Step 3: Cross multiply
   76,111.55x = 105,076.16 × 45,904.49
4. Step 4: Simplify right side
   76,111.55x = 4,823,467,535.96
5. Step 5: Solve for x
   x = 4,823,467,535.96/76,111.55
6. Step 6: Final answer
   x = 63,373.66