Finding the Fourth Proportional to 42,481.86, 63,731.30 and 23,788.48

Step by Step Solution

1. Step 1: Write the proportion equation
   42,481.86 : 63,731.30 = 23,788.48 : x
2. Step 2: Convert to fraction form
   42,481.86/63,731.30 = 23,788.48/x
3. Step 3: Cross multiply
   42,481.86x = 63,731.30 × 23,788.48
4. Step 4: Simplify right side
   42,481.86x = 1,516,070,755.42
5. Step 5: Solve for x
   x = 1,516,070,755.42/42,481.86
6. Step 6: Final answer
   x = 35,687.49