Finding the Fourth Proportional to 10,086.32, 15,097.12 and 5,394.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10,086.32 : 15,097.12 = 5,394.59 : x
2. Step 2: Convert to fraction form
   10,086.32/15,097.12 = 5,394.59/x
3. Step 3: Cross multiply
   10,086.32x = 15,097.12 × 5,394.59
4. Step 4: Simplify right side
   10,086.32x = 81,442,810.32
5. Step 5: Solve for x
   x = 81,442,810.32/10,086.32
6. Step 6: Final answer
   x = 8,074.59