Finding the Fourth Proportional to 152,104.09, 209,931.72 and 97,724.24

Step by Step Solution

1. Step 1: Write the proportion equation
   152,104.09 : 209,931.72 = 97,724.24 : x
2. Step 2: Convert to fraction form
   152,104.09/209,931.72 = 97,724.24/x
3. Step 3: Cross multiply
   152,104.09x = 209,931.72 × 97,724.24
4. Step 4: Simplify right side
   152,104.09x = 20,515,417,788.89
5. Step 5: Solve for x
   x = 20,515,417,788.89/152,104.09
6. Step 6: Final answer
   x = 134,877.49