Finding the Fourth Proportional to 10,003.30, 14,976.15 and 6,115.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,003.30 : 14,976.15 = 6,115.30 : x
2. Step 2: Convert to fraction form
   10,003.30/14,976.15 = 6,115.30/x
3. Step 3: Cross multiply
   10,003.30x = 14,976.15 × 6,115.30
4. Step 4: Simplify right side
   10,003.30x = 91,583,650.10
5. Step 5: Solve for x
   x = 91,583,650.10/10,003.30
6. Step 6: Final answer
   x = 9,155.34