Finding the Fourth Proportional to 34,478, 47,586.24 and 22,520.72

Step by Step Solution

1. Step 1: Write the proportion equation
   34,478 : 47,586.24 = 22,520.72 : x
2. Step 2: Convert to fraction form
   34,478/47,586.24 = 22,520.72/x
3. Step 3: Cross multiply
   34,478x = 47,586.24 × 22,520.72
4. Step 4: Simplify right side
   34,478x = 1,071,676,386.89
5. Step 5: Solve for x
   x = 1,071,676,386.89/34,478
6. Step 6: Final answer
   x = 31,082.90