Finding the Fourth Proportional to 22,760.32, 34,150.56 and 9,621.76

Step by Step Solution

1. Step 1: Write the proportion equation
   22,760.32 : 34,150.56 = 9,621.76 : x
2. Step 2: Convert to fraction form
   22,760.32/34,150.56 = 9,621.76/x
3. Step 3: Cross multiply
   22,760.32x = 34,150.56 × 9,621.76
4. Step 4: Simplify right side
   22,760.32x = 328,588,492.19
5. Step 5: Solve for x
   x = 328,588,492.19/22,760.32
6. Step 6: Final answer
   x = 14,436.90