Finding the Fourth Proportional to 22,925.33, 34,427.61 and 13,623.78

Step by Step Solution

1. Step 1: Write the proportion equation
   22,925.33 : 34,427.61 = 13,623.78 : x
2. Step 2: Convert to fraction form
   22,925.33/34,427.61 = 13,623.78/x
3. Step 3: Cross multiply
   22,925.33x = 34,427.61 × 13,623.78
4. Step 4: Simplify right side
   22,925.33x = 469,034,184.57
5. Step 5: Solve for x
   x = 469,034,184.57/22,925.33
6. Step 6: Final answer
   x = 20,459.22