Finding the Fourth Proportional to 142,931.16, 214,352.82 and 98,841.24

Step by Step Solution

1. Step 1: Write the proportion equation
   142,931.16 : 214,352.82 = 98,841.24 : x
2. Step 2: Convert to fraction form
   142,931.16/214,352.82 = 98,841.24/x
3. Step 3: Cross multiply
   142,931.16x = 214,352.82 × 98,841.24
4. Step 4: Simplify right side
   142,931.16x = 21,186,898,526.30
5. Step 5: Solve for x
   x = 21,186,898,526.30/142,931.16
6. Step 6: Final answer
   x = 148,231.49