Finding the Fourth Proportional to 42,294.72, 63,449.40 and 14,217.52

Step by Step Solution

1. Step 1: Write the proportion equation
   42,294.72 : 63,449.40 = 14,217.52 : x
2. Step 2: Convert to fraction form
   42,294.72/63,449.40 = 14,217.52/x
3. Step 3: Cross multiply
   42,294.72x = 63,449.40 × 14,217.52
4. Step 4: Simplify right side
   42,294.72x = 902,093,113.49
5. Step 5: Solve for x
   x = 902,093,113.49/42,294.72
6. Step 6: Final answer
   x = 21,328.74