Finding the Fourth Proportional to 76,634, 105,754.92 and 43,100.72

Step by Step Solution

1. Step 1: Write the proportion equation
   76,634 : 105,754.92 = 43,100.72 : x
2. Step 2: Convert to fraction form
   76,634/105,754.92 = 43,100.72/x
3. Step 3: Cross multiply
   76,634x = 105,754.92 × 43,100.72
4. Step 4: Simplify right side
   76,634x = 4,558,113,195.54
5. Step 5: Solve for x
   x = 4,558,113,195.54/76,634
6. Step 6: Final answer
   x = 59,478.99