Finding the Fourth Proportional to 3,532.04, 4,870.86 and 2,115.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,532.04 : 4,870.86 = 2,115.52 : x
2. Step 2: Convert to fraction form
   3,532.04/4,870.86 = 2,115.52/x
3. Step 3: Cross multiply
   3,532.04x = 4,870.86 × 2,115.52
4. Step 4: Simplify right side
   3,532.04x = 10,304,401.75
5. Step 5: Solve for x
   x = 10,304,401.75/3,532.04
6. Step 6: Final answer
   x = 2,917.41