Finding the Fourth Proportional to 2,312.28, 3,187.88 and 1,841.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,312.28 : 3,187.88 = 1,841.72 : x
2. Step 2: Convert to fraction form
   2,312.28/3,187.88 = 1,841.72/x
3. Step 3: Cross multiply
   2,312.28x = 3,187.88 × 1,841.72
4. Step 4: Simplify right side
   2,312.28x = 5,871,182.35
5. Step 5: Solve for x
   x = 5,871,182.35/2,312.28
6. Step 6: Final answer
   x = 2,539.13