Finding the Fourth Proportional to 22,862.02, 34,290.56 and 7,278.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,862.02 : 34,290.56 = 7,278.42 : x
2. Step 2: Convert to fraction form
   22,862.02/34,290.56 = 7,278.42/x
3. Step 3: Cross multiply
   22,862.02x = 34,290.56 × 7,278.42
4. Step 4: Simplify right side
   22,862.02x = 249,581,097.72
5. Step 5: Solve for x
   x = 249,581,097.72/22,862.02
6. Step 6: Final answer
   x = 10,916.84