Finding the Fourth Proportional to 42,464.91, 63,697.52 and 12,883

Step by Step Solution

1. Step 1: Write the proportion equation
   42,464.91 : 63,697.52 = 12,883 : x
2. Step 2: Convert to fraction form
   42,464.91/63,697.52 = 12,883/x
3. Step 3: Cross multiply
   42,464.91x = 63,697.52 × 12,883
4. Step 4: Simplify right side
   42,464.91x = 820,615,150.16
5. Step 5: Solve for x
   x = 820,615,150.16/42,464.91
6. Step 6: Final answer
   x = 19,324.55