Finding the Fourth Proportional to 3,931.59, 5,900.12 and 2,700.19

Step by Step Solution

1. Step 1: Write the proportion equation
   3,931.59 : 5,900.12 = 2,700.19 : x
2. Step 2: Convert to fraction form
   3,931.59/5,900.12 = 2,700.19/x
3. Step 3: Cross multiply
   3,931.59x = 5,900.12 × 2,700.19
4. Step 4: Simplify right side
   3,931.59x = 15,931,445.02
5. Step 5: Solve for x
   x = 15,931,445.02/3,931.59
6. Step 6: Final answer
   x = 4,052.16