Finding the Fourth Proportional to 22,808.76, 31,476.24 and 13,377.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,808.76 : 31,476.24 = 13,377.42 : x
2. Step 2: Convert to fraction form
   22,808.76/31,476.24 = 13,377.42/x
3. Step 3: Cross multiply
   22,808.76x = 31,476.24 × 13,377.42
4. Step 4: Simplify right side
   22,808.76x = 421,070,882.50
5. Step 5: Solve for x
   x = 421,070,882.50/22,808.76
6. Step 6: Final answer
   x = 18,460.93