Finding the Fourth Proportional to 77,076.72, 106,357.32 and 43,542.72

Step by Step Solution

1. Step 1: Write the proportion equation
   77,076.72 : 106,357.32 = 43,542.72 : x
2. Step 2: Convert to fraction form
   77,076.72/106,357.32 = 43,542.72/x
3. Step 3: Cross multiply
   77,076.72x = 106,357.32 × 43,542.72
4. Step 4: Simplify right side
   77,076.72x = 4,631,087,004.71
5. Step 5: Solve for x
   x = 4,631,087,004.71/77,076.72
6. Step 6: Final answer
   x = 60,084.12