Finding the Fourth Proportional to 22,322.31, 30,784.60 and 14,776.15

Step by Step Solution

1. Step 1: Write the proportion equation
   22,322.31 : 30,784.60 = 14,776.15 : x
2. Step 2: Convert to fraction form
   22,322.31/30,784.60 = 14,776.15/x
3. Step 3: Cross multiply
   22,322.31x = 30,784.60 × 14,776.15
4. Step 4: Simplify right side
   22,322.31x = 454,877,867.29
5. Step 5: Solve for x
   x = 454,877,867.29/22,322.31
6. Step 6: Final answer
   x = 20,377.72