Finding the Fourth Proportional to 22,188.04, 30,616 and 12,754.76

Step by Step Solution

1. Step 1: Write the proportion equation
   22,188.04 : 30,616 = 12,754.76 : x
2. Step 2: Convert to fraction form
   22,188.04/30,616 = 12,754.76/x
3. Step 3: Cross multiply
   22,188.04x = 30,616 × 12,754.76
4. Step 4: Simplify right side
   22,188.04x = 390,499,732.16
5. Step 5: Solve for x
   x = 390,499,732.16/22,188.04
6. Step 6: Final answer
   x = 17,599.56