Finding the Fourth Proportional to 42,381.43, 63,527.83 and 14,291.78

Step by Step Solution

1. Step 1: Write the proportion equation
   42,381.43 : 63,527.83 = 14,291.78 : x
2. Step 2: Convert to fraction form
   42,381.43/63,527.83 = 14,291.78/x
3. Step 3: Cross multiply
   42,381.43x = 63,527.83 × 14,291.78
4. Step 4: Simplify right side
   42,381.43x = 907,925,416.87
5. Step 5: Solve for x
   x = 907,925,416.87/42,381.43
6. Step 6: Final answer
   x = 21,422.72