Finding the Fourth Proportional to 102,069.32, 153,149.54 and 52,123.10

Step by Step Solution

1. Step 1: Write the proportion equation
   102,069.32 : 153,149.54 = 52,123.10 : x
2. Step 2: Convert to fraction form
   102,069.32/153,149.54 = 52,123.10/x
3. Step 3: Cross multiply
   102,069.32x = 153,149.54 × 52,123.10
4. Step 4: Simplify right side
   102,069.32x = 7,982,627,762.01
5. Step 5: Solve for x
   x = 7,982,627,762.01/102,069.32
6. Step 6: Final answer
   x = 78,207.91