Finding the Fourth Proportional to 151,530.42, 209,061.21 and 97,851.72

Step by Step Solution

1. Step 1: Write the proportion equation
   151,530.42 : 209,061.21 = 97,851.72 : x
2. Step 2: Convert to fraction form
   151,530.42/209,061.21 = 97,851.72/x
3. Step 3: Cross multiply
   151,530.42x = 209,061.21 × 97,851.72
4. Step 4: Simplify right side
   151,530.42x = 20,456,998,983.78
5. Step 5: Solve for x
   x = 20,456,998,983.78/151,530.42
6. Step 6: Final answer
   x = 135,002.59