Finding the Fourth Proportional to 10,003.56, 15,003.63 and 4,158.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,003.56 : 15,003.63 = 4,158.60 : x
2. Step 2: Convert to fraction form
   10,003.56/15,003.63 = 4,158.60/x
3. Step 3: Cross multiply
   10,003.56x = 15,003.63 × 4,158.60
4. Step 4: Simplify right side
   10,003.56x = 62,394,095.72
5. Step 5: Solve for x
   x = 62,394,095.72/10,003.56
6. Step 6: Final answer
   x = 6,237.19