Finding the Fourth Proportional to 208,147.73, 287,244.15 and 112,654.42

Step by Step Solution

1. Step 1: Write the proportion equation
   208,147.73 : 287,244.15 = 112,654.42 : x
2. Step 2: Convert to fraction form
   208,147.73/287,244.15 = 112,654.42/x
3. Step 3: Cross multiply
   208,147.73x = 287,244.15 × 112,654.42
4. Step 4: Simplify right side
   208,147.73x = 32,359,323,100.79
5. Step 5: Solve for x
   x = 32,359,323,100.79/208,147.73
6. Step 6: Final answer
   x = 155,463.26