Finding the Fourth Proportional to 10,002.05, 15,004.70 and 5,004.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,002.05 : 15,004.70 = 5,004.62 : x
2. Step 2: Convert to fraction form
   10,002.05/15,004.70 = 5,004.62/x
3. Step 3: Cross multiply
   10,002.05x = 15,004.70 × 5,004.62
4. Step 4: Simplify right side
   10,002.05x = 75,092,721.67
5. Step 5: Solve for x
   x = 75,092,721.67/10,002.05
6. Step 6: Final answer
   x = 7,507.74