Finding the Fourth Proportional to 208,103.16, 287,182.86 and 112,610.88

Step by Step Solution

1. Step 1: Write the proportion equation
   208,103.16 : 287,182.86 = 112,610.88 : x
2. Step 2: Convert to fraction form
   208,103.16/287,182.86 = 112,610.88/x
3. Step 3: Cross multiply
   208,103.16x = 287,182.86 × 112,610.88
4. Step 4: Simplify right side
   208,103.16x = 32,339,914,585.52
5. Step 5: Solve for x
   x = 32,339,914,585.52/208,103.16
6. Step 6: Final answer
   x = 155,403.28