Finding the Fourth Proportional to 77,404.41, 106,850.75 and 52,287.93

Step by Step Solution

1. Step 1: Write the proportion equation
   77,404.41 : 106,850.75 = 52,287.93 : x
2. Step 2: Convert to fraction form
   77,404.41/106,850.75 = 52,287.93/x
3. Step 3: Cross multiply
   77,404.41x = 106,850.75 × 52,287.93
4. Step 4: Simplify right side
   77,404.41x = 5,587,004,275.01
5. Step 5: Solve for x
   x = 5,587,004,275.01/77,404.41
6. Step 6: Final answer
   x = 72,179.41