Finding the Fourth Proportional to 42,978.06, 64,467 and 24,249.60

Step by Step Solution

1. Step 1: Write the proportion equation
   42,978.06 : 64,467 = 24,249.60 : x
2. Step 2: Convert to fraction form
   42,978.06/64,467 = 24,249.60/x
3. Step 3: Cross multiply
   42,978.06x = 64,467 × 24,249.60
4. Step 4: Simplify right side
   42,978.06x = 1,563,298,963.20
5. Step 5: Solve for x
   x = 1,563,298,963.20/42,978.06
6. Step 6: Final answer
   x = 36,374.35