Finding the Fourth Proportional to 208,287.06, 287,436.42 and 112,793.94

Step by Step Solution

1. Step 1: Write the proportion equation
   208,287.06 : 287,436.42 = 112,793.94 : x
2. Step 2: Convert to fraction form
   208,287.06/287,436.42 = 112,793.94/x
3. Step 3: Cross multiply
   208,287.06x = 287,436.42 × 112,793.94
4. Step 4: Simplify right side
   208,287.06x = 32,421,086,311.29
5. Step 5: Solve for x
   x = 32,421,086,311.29/208,287.06
6. Step 6: Final answer
   x = 155,655.79