Finding the Fourth Proportional to 22,468.68, 30,978.28 and 14,810.76

Step by Step Solution

1. Step 1: Write the proportion equation
   22,468.68 : 30,978.28 = 14,810.76 : x
2. Step 2: Convert to fraction form
   22,468.68/30,978.28 = 14,810.76/x
3. Step 3: Cross multiply
   22,468.68x = 30,978.28 × 14,810.76
4. Step 4: Simplify right side
   22,468.68x = 458,811,870.29
5. Step 5: Solve for x
   x = 458,811,870.29/22,468.68
6. Step 6: Final answer
   x = 20,420.06