Finding the Fourth Proportional to 10,003.42, 15,009.45 and 5,614.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,003.42 : 15,009.45 = 5,614.30 : x
2. Step 2: Convert to fraction form
   10,003.42/15,009.45 = 5,614.30/x
3. Step 3: Cross multiply
   10,003.42x = 15,009.45 × 5,614.30
4. Step 4: Simplify right side
   10,003.42x = 84,267,555.14
5. Step 5: Solve for x
   x = 84,267,555.14/10,003.42
6. Step 6: Final answer
   x = 8,423.87