Finding the Fourth Proportional to 22,482.28, 31,019.52 and 14,521.60

Step by Step Solution

1. Step 1: Write the proportion equation
   22,482.28 : 31,019.52 = 14,521.60 : x
2. Step 2: Convert to fraction form
   22,482.28/31,019.52 = 14,521.60/x
3. Step 3: Cross multiply
   22,482.28x = 31,019.52 × 14,521.60
4. Step 4: Simplify right side
   22,482.28x = 450,453,061.63
5. Step 5: Solve for x
   x = 450,453,061.63/22,482.28
6. Step 6: Final answer
   x = 20,035.92