Finding the Fourth Proportional to 208,386.02, 287,573.82 and 112,892.96

Step by Step Solution

1. Step 1: Write the proportion equation
   208,386.02 : 287,573.82 = 112,892.96 : x
2. Step 2: Convert to fraction form
   208,386.02/287,573.82 = 112,892.96/x
3. Step 3: Cross multiply
   208,386.02x = 287,573.82 × 112,892.96
4. Step 4: Simplify right side
   208,386.02x = 32,465,059,758.31
5. Step 5: Solve for x
   x = 32,465,059,758.31/208,386.02
6. Step 6: Final answer
   x = 155,792.89