Finding the Fourth Proportional to 10,442.21, 14,409.98 and 5,726.19

Step by Step Solution

1. Step 1: Write the proportion equation
   10,442.21 : 14,409.98 = 5,726.19 : x
2. Step 2: Convert to fraction form
   10,442.21/14,409.98 = 5,726.19/x
3. Step 3: Cross multiply
   10,442.21x = 14,409.98 × 5,726.19
4. Step 4: Simplify right side
   10,442.21x = 82,514,283.38
5. Step 5: Solve for x
   x = 82,514,283.38/10,442.21
6. Step 6: Final answer
   x = 7,901.99