Finding the Fourth Proportional to 42,340.58, 63,488.17 and 14,251.31

Step by Step Solution

1. Step 1: Write the proportion equation
   42,340.58 : 63,488.17 = 14,251.31 : x
2. Step 2: Convert to fraction form
   42,340.58/63,488.17 = 14,251.31/x
3. Step 3: Cross multiply
   42,340.58x = 63,488.17 × 14,251.31
4. Step 4: Simplify right side
   42,340.58x = 904,789,203.31
5. Step 5: Solve for x
   x = 904,789,203.31/42,340.58
6. Step 6: Final answer
   x = 21,369.32