Finding the Fourth Proportional to 208,293.94, 287,445.06 and 112,800.61

Step by Step Solution

1. Step 1: Write the proportion equation
   208,293.94 : 287,445.06 = 112,800.61 : x
2. Step 2: Convert to fraction form
   208,293.94/287,445.06 = 112,800.61/x
3. Step 3: Cross multiply
   208,293.94x = 287,445.06 × 112,800.61
4. Step 4: Simplify right side
   208,293.94x = 32,423,978,109.49
5. Step 5: Solve for x
   x = 32,423,978,109.49/208,293.94
6. Step 6: Final answer
   x = 155,664.53