Finding the Fourth Proportional to 14,527.62, 21,760.50 and 10,978.53

Step by Step Solution

1. Step 1: Write the proportion equation
   14,527.62 : 21,760.50 = 10,978.53 : x
2. Step 2: Convert to fraction form
   14,527.62/21,760.50 = 10,978.53/x
3. Step 3: Cross multiply
   14,527.62x = 21,760.50 × 10,978.53
4. Step 4: Simplify right side
   14,527.62x = 238,898,302.07
5. Step 5: Solve for x
   x = 238,898,302.07/14,527.62
6. Step 6: Final answer
   x = 16,444.42