Finding the Fourth Proportional to 42,978.80, 64,468.04 and 24,250.32

Step by Step Solution

1. Step 1: Write the proportion equation
   42,978.80 : 64,468.04 = 24,250.32 : x
2. Step 2: Convert to fraction form
   42,978.80/64,468.04 = 24,250.32/x
3. Step 3: Cross multiply
   42,978.80x = 64,468.04 × 24,250.32
4. Step 4: Simplify right side
   42,978.80x = 1,563,370,478.52
5. Step 5: Solve for x
   x = 1,563,370,478.52/42,978.80
6. Step 6: Final answer
   x = 36,375.38