Finding the Fourth Proportional to 359,375.55, 495,941.72 and 198,237.39

Step by Step Solution

1. Step 1: Write the proportion equation
   359,375.55 : 495,941.72 = 198,237.39 : x
2. Step 2: Convert to fraction form
   359,375.55/495,941.72 = 198,237.39/x
3. Step 3: Cross multiply
   359,375.55x = 495,941.72 × 198,237.39
4. Step 4: Simplify right side
   359,375.55x = 98,314,191,173.72
5. Step 5: Solve for x
   x = 98,314,191,173.72/359,375.55
6. Step 6: Final answer
   x = 273,569.50