Finding the Fourth Proportional to 14,380.61, 21,564.08 and 5,019.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,380.61 : 21,564.08 = 5,019.50 : x
2. Step 2: Convert to fraction form
   14,380.61/21,564.08 = 5,019.50/x
3. Step 3: Cross multiply
   14,380.61x = 21,564.08 × 5,019.50
4. Step 4: Simplify right side
   14,380.61x = 108,240,766.64
5. Step 5: Solve for x
   x = 108,240,766.64/14,380.61
6. Step 6: Final answer
   x = 7,526.86