Finding the Fourth Proportional to 152,232.69, 210,029.89 and 88,518.09

Step by Step Solution

1. Step 1: Write the proportion equation
   152,232.69 : 210,029.89 = 88,518.09 : x
2. Step 2: Convert to fraction form
   152,232.69/210,029.89 = 88,518.09/x
3. Step 3: Cross multiply
   152,232.69x = 210,029.89 × 88,518.09
4. Step 4: Simplify right side
   152,232.69x = 18,591,444,705.71
5. Step 5: Solve for x
   x = 18,591,444,705.71/152,232.69
6. Step 6: Final answer
   x = 122,125.18