Finding the Fourth Proportional to 10,035.30, 15,009.21 and 5,865.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,035.30 : 15,009.21 = 5,865.42 : x
2. Step 2: Convert to fraction form
   10,035.30/15,009.21 = 5,865.42/x
3. Step 3: Cross multiply
   10,035.30x = 15,009.21 × 5,865.42
4. Step 4: Simplify right side
   10,035.30x = 88,035,320.52
5. Step 5: Solve for x
   x = 88,035,320.52/10,035.30
6. Step 6: Final answer
   x = 8,772.56