Finding the Fourth Proportional to 142,892.78, 214,295.38 and 98,802.86

Step by Step Solution

1. Step 1: Write the proportion equation
   142,892.78 : 214,295.38 = 98,802.86 : x
2. Step 2: Convert to fraction form
   142,892.78/214,295.38 = 98,802.86/x
3. Step 3: Cross multiply
   142,892.78x = 214,295.38 × 98,802.86
4. Step 4: Simplify right side
   142,892.78x = 21,172,995,110.30
5. Step 5: Solve for x
   x = 21,172,995,110.30/142,892.78
6. Step 6: Final answer
   x = 148,174.01