Finding the Fourth Proportional to 10,003.62, 15,002.79 and 2,981.74

Step by Step Solution

1. Step 1: Write the proportion equation
   10,003.62 : 15,002.79 = 2,981.74 : x
2. Step 2: Convert to fraction form
   10,003.62/15,002.79 = 2,981.74/x
3. Step 3: Cross multiply
   10,003.62x = 15,002.79 × 2,981.74
4. Step 4: Simplify right side
   10,003.62x = 44,734,419.05
5. Step 5: Solve for x
   x = 44,734,419.05/10,003.62
6. Step 6: Final answer
   x = 4,471.82