Finding the Fourth Proportional to 42,058.72, 63,099.60 and 14,358.88

Step by Step Solution

1. Step 1: Write the proportion equation
   42,058.72 : 63,099.60 = 14,358.88 : x
2. Step 2: Convert to fraction form
   42,058.72/63,099.60 = 14,358.88/x
3. Step 3: Cross multiply
   42,058.72x = 63,099.60 × 14,358.88
4. Step 4: Simplify right side
   42,058.72x = 906,039,584.45
5. Step 5: Solve for x
   x = 906,039,584.45/42,058.72
6. Step 6: Final answer
   x = 21,542.25