Finding the Fourth Proportional to 2,931.42, 4,043.61 and 2,537.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,931.42 : 4,043.61 = 2,537.76 : x
2. Step 2: Convert to fraction form
   2,931.42/4,043.61 = 2,537.76/x
3. Step 3: Cross multiply
   2,931.42x = 4,043.61 × 2,537.76
4. Step 4: Simplify right side
   2,931.42x = 10,261,711.71
5. Step 5: Solve for x
   x = 10,261,711.71/2,931.42
6. Step 6: Final answer
   x = 3,500.59