Finding the Fourth Proportional to 152,730.72, 210,767.76 and 93,114.72

Step by Step Solution

1. Step 1: Write the proportion equation
   152,730.72 : 210,767.76 = 93,114.72 : x
2. Step 2: Convert to fraction form
   152,730.72/210,767.76 = 93,114.72/x
3. Step 3: Cross multiply
   152,730.72x = 210,767.76 × 93,114.72
4. Step 4: Simplify right side
   152,730.72x = 19,625,580,957.43
5. Step 5: Solve for x
   x = 19,625,580,957.43/152,730.72
6. Step 6: Final answer
   x = 128,497.93