Finding the Fourth Proportional to 102,208.52, 141,048.90 and 57,496.52

Step by Step Solution

1. Step 1: Write the proportion equation
   102,208.52 : 141,048.90 = 57,496.52 : x
2. Step 2: Convert to fraction form
   102,208.52/141,048.90 = 57,496.52/x
3. Step 3: Cross multiply
   102,208.52x = 141,048.90 × 57,496.52
4. Step 4: Simplify right side
   102,208.52x = 8,109,820,899.83
5. Step 5: Solve for x
   x = 8,109,820,899.83/102,208.52
6. Step 6: Final answer
   x = 79,345.84