Finding the Fourth Proportional to 2,561.40, 3,534.16 and 1,498.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,561.40 : 3,534.16 = 1,498.88 : x
2. Step 2: Convert to fraction form
   2,561.40/3,534.16 = 1,498.88/x
3. Step 3: Cross multiply
   2,561.40x = 3,534.16 × 1,498.88
4. Step 4: Simplify right side
   2,561.40x = 5,297,281.74
5. Step 5: Solve for x
   x = 5,297,281.74/2,561.40
6. Step 6: Final answer
   x = 2,068.12