Finding the Fourth Proportional to 208,404.17, 287,598.02 and 112,910.84

Step by Step Solution

1. Step 1: Write the proportion equation
   208,404.17 : 287,598.02 = 112,910.84 : x
2. Step 2: Convert to fraction form
   208,404.17/287,598.02 = 112,910.84/x
3. Step 3: Cross multiply
   208,404.17x = 287,598.02 × 112,910.84
4. Step 4: Simplify right side
   208,404.17x = 32,472,934,020.54
5. Step 5: Solve for x
   x = 32,472,934,020.54/208,404.17
6. Step 6: Final answer
   x = 155,817.10