Finding the Fourth Proportional to 95,180.72, 142,772.06 and 39,006.40

Step by Step Solution

1. Step 1: Write the proportion equation
   95,180.72 : 142,772.06 = 39,006.40 : x
2. Step 2: Convert to fraction form
   95,180.72/142,772.06 = 39,006.40/x
3. Step 3: Cross multiply
   95,180.72x = 142,772.06 × 39,006.40
4. Step 4: Simplify right side
   95,180.72x = 5,569,024,081.18
5. Step 5: Solve for x
   x = 5,569,024,081.18/95,180.72
6. Step 6: Final answer
   x = 58,510.00