Finding the Fourth Proportional to 359,200.56, 495,691.31 and 198,051.47

Step by Step Solution

1. Step 1: Write the proportion equation
   359,200.56 : 495,691.31 = 198,051.47 : x
2. Step 2: Convert to fraction form
   359,200.56/495,691.31 = 198,051.47/x
3. Step 3: Cross multiply
   359,200.56x = 495,691.31 × 198,051.47
4. Step 4: Simplify right side
   359,200.56x = 98,172,392,611.73
5. Step 5: Solve for x
   x = 98,172,392,611.73/359,200.56
6. Step 6: Final answer
   x = 273,308.02