Finding the Fourth Proportional to 208,134.07, 287,225.52 and 112,641.82

Step by Step Solution

1. Step 1: Write the proportion equation
   208,134.07 : 287,225.52 = 112,641.82 : x
2. Step 2: Convert to fraction form
   208,134.07/287,225.52 = 112,641.82/x
3. Step 3: Cross multiply
   208,134.07x = 287,225.52 × 112,641.82
4. Step 4: Simplify right side
   208,134.07x = 32,353,605,323.25
5. Step 5: Solve for x
   x = 32,353,605,323.25/208,134.07
6. Step 6: Final answer
   x = 155,445.98