Finding the Fourth Proportional to 151,691.52, 209,401.29 and 98,002.65

Step by Step Solution

1. Step 1: Write the proportion equation
   151,691.52 : 209,401.29 = 98,002.65 : x
2. Step 2: Convert to fraction form
   151,691.52/209,401.29 = 98,002.65/x
3. Step 3: Cross multiply
   151,691.52x = 209,401.29 × 98,002.65
4. Step 4: Simplify right side
   151,691.52x = 20,521,881,333.42
5. Step 5: Solve for x
   x = 20,521,881,333.42/151,691.52
6. Step 6: Final answer
   x = 135,286.94