Finding the Fourth Proportional to 28,231.32, 42,363.38 and 10,702.52

Step by Step Solution

1. Step 1: Write the proportion equation
   28,231.32 : 42,363.38 = 10,702.52 : x
2. Step 2: Convert to fraction form
   28,231.32/42,363.38 = 10,702.52/x
3. Step 3: Cross multiply
   28,231.32x = 42,363.38 × 10,702.52
4. Step 4: Simplify right side
   28,231.32x = 453,394,921.72
5. Step 5: Solve for x
   x = 453,394,921.72/28,231.32
6. Step 6: Final answer
   x = 16,060.00