Finding the Fourth Proportional to 10,087.32, 15,098.62 and 5,395.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,087.32 : 15,098.62 = 5,395.60 : x
2. Step 2: Convert to fraction form
   10,087.32/15,098.62 = 5,395.60/x
3. Step 3: Cross multiply
   10,087.32x = 15,098.62 × 5,395.60
4. Step 4: Simplify right side
   10,087.32x = 81,466,011.60
5. Step 5: Solve for x
   x = 81,466,011.60/10,087.32
6. Step 6: Final answer
   x = 8,076.08