Finding the Fourth Proportional to 208,089.32, 287,162.34 and 112,597.70

Step by Step Solution

1. Step 1: Write the proportion equation
   208,089.32 : 287,162.34 = 112,597.70 : x
2. Step 2: Convert to fraction form
   208,089.32/287,162.34 = 112,597.70/x
3. Step 3: Cross multiply
   208,089.32x = 287,162.34 × 112,597.70
4. Step 4: Simplify right side
   208,089.32x = 32,333,819,010.62
5. Step 5: Solve for x
   x = 32,333,819,010.62/208,089.32
6. Step 6: Final answer
   x = 155,384.33