Finding the Fourth Proportional to 152,030.71, 209,820.63 and 88,368.52

Step by Step Solution

1. Step 1: Write the proportion equation
   152,030.71 : 209,820.63 = 88,368.52 : x
2. Step 2: Convert to fraction form
   152,030.71/209,820.63 = 88,368.52/x
3. Step 3: Cross multiply
   152,030.71x = 209,820.63 × 88,368.52
4. Step 4: Simplify right side
   152,030.71x = 18,541,538,538.57
5. Step 5: Solve for x
   x = 18,541,538,538.57/152,030.71
6. Step 6: Final answer
   x = 121,959.17