Finding the Fourth Proportional to 42,752.76, 59,006.93 and 28,191.32

Step by Step Solution

1. Step 1: Write the proportion equation
   42,752.76 : 59,006.93 = 28,191.32 : x
2. Step 2: Convert to fraction form
   42,752.76/59,006.93 = 28,191.32/x
3. Step 3: Cross multiply
   42,752.76x = 59,006.93 × 28,191.32
4. Step 4: Simplify right side
   42,752.76x = 1,663,482,809.86
5. Step 5: Solve for x
   x = 1,663,482,809.86/42,752.76
6. Step 6: Final answer
   x = 38,909.37