Finding the Fourth Proportional to 10,291.08, 15,442.34 and 5,026.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,291.08 : 15,442.34 = 5,026.15 : x
2. Step 2: Convert to fraction form
   10,291.08/15,442.34 = 5,026.15/x
3. Step 3: Cross multiply
   10,291.08x = 15,442.34 × 5,026.15
4. Step 4: Simplify right side
   10,291.08x = 77,615,517.19
5. Step 5: Solve for x
   x = 77,615,517.19/10,291.08
6. Step 6: Final answer
   x = 7,542.02