Finding the Fourth Proportional to 152,614.59, 210,632.73 and 88,940.10

Step by Step Solution

1. Step 1: Write the proportion equation
   152,614.59 : 210,632.73 = 88,940.10 : x
2. Step 2: Convert to fraction form
   152,614.59/210,632.73 = 88,940.10/x
3. Step 3: Cross multiply
   152,614.59x = 210,632.73 × 88,940.10
4. Step 4: Simplify right side
   152,614.59x = 18,733,696,069.47
5. Step 5: Solve for x
   x = 18,733,696,069.47/152,614.59
6. Step 6: Final answer
   x = 122,751.67