Finding the Fourth Proportional to 10,003.06, 15,002.88 and 4,158.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,003.06 : 15,002.88 = 4,158.10 : x
2. Step 2: Convert to fraction form
   10,003.06/15,002.88 = 4,158.10/x
3. Step 3: Cross multiply
   10,003.06x = 15,002.88 × 4,158.10
4. Step 4: Simplify right side
   10,003.06x = 62,383,475.33
5. Step 5: Solve for x
   x = 62,383,475.33/10,003.06
6. Step 6: Final answer
   x = 6,236.44