Finding the Fourth Proportional to 2,507.76, 3,452.63 and 2,152.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,507.76 : 3,452.63 = 2,152.98 : x
2. Step 2: Convert to fraction form
   2,507.76/3,452.63 = 2,152.98/x
3. Step 3: Cross multiply
   2,507.76x = 3,452.63 × 2,152.98
4. Step 4: Simplify right side
   2,507.76x = 7,433,432.57
5. Step 5: Solve for x
   x = 7,433,432.57/2,507.76
6. Step 6: Final answer
   x = 2,964.17