Finding the Fourth Proportional to 42,443.40, 63,625.53 and 14,343.81

Step by Step Solution

1. Step 1: Write the proportion equation
   42,443.40 : 63,625.53 = 14,343.81 : x
2. Step 2: Convert to fraction form
   42,443.40/63,625.53 = 14,343.81/x
3. Step 3: Cross multiply
   42,443.40x = 63,625.53 × 14,343.81
4. Step 4: Simplify right side
   42,443.40x = 912,632,549.33
5. Step 5: Solve for x
   x = 912,632,549.33/42,443.40
6. Step 6: Final answer
   x = 21,502.34