Finding the Fourth Proportional to 208,104.27, 287,184.69 and 112,610.99

Step by Step Solution

1. Step 1: Write the proportion equation
   208,104.27 : 287,184.69 = 112,610.99 : x
2. Step 2: Convert to fraction form
   208,104.27/287,184.69 = 112,610.99/x
3. Step 3: Cross multiply
   208,104.27x = 287,184.69 × 112,610.99
4. Step 4: Simplify right side
   208,104.27x = 32,340,150,817.82
5. Step 5: Solve for x
   x = 32,340,150,817.82/208,104.27
6. Step 6: Final answer
   x = 155,403.59