Finding the Fourth Proportional to 96,665.16, 144,951.72 and 39,730.17

Step by Step Solution

1. Step 1: Write the proportion equation
   96,665.16 : 144,951.72 = 39,730.17 : x
2. Step 2: Convert to fraction form
   96,665.16/144,951.72 = 39,730.17/x
3. Step 3: Cross multiply
   96,665.16x = 144,951.72 × 39,730.17
4. Step 4: Simplify right side
   96,665.16x = 5,758,956,477.39
5. Step 5: Solve for x
   x = 5,758,956,477.39/96,665.16
6. Step 6: Final answer
   x = 59,576.34