Finding the Fourth Proportional to 88,003.79, 131,992.31 and 28,838.15

Step by Step Solution

1. Step 1: Write the proportion equation
   88,003.79 : 131,992.31 = 28,838.15 : x
2. Step 2: Convert to fraction form
   88,003.79/131,992.31 = 28,838.15/x
3. Step 3: Cross multiply
   88,003.79x = 131,992.31 × 28,838.15
4. Step 4: Simplify right side
   88,003.79x = 3,806,413,230.47
5. Step 5: Solve for x
   x = 3,806,413,230.47/88,003.79
6. Step 6: Final answer
   x = 43,252.84