Finding the Fourth Proportional to 2,611.16, 3,602.68 and 1,491.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,611.16 : 3,602.68 = 1,491.69 : x
2. Step 2: Convert to fraction form
   2,611.16/3,602.68 = 1,491.69/x
3. Step 3: Cross multiply
   2,611.16x = 3,602.68 × 1,491.69
4. Step 4: Simplify right side
   2,611.16x = 5,374,081.73
5. Step 5: Solve for x
   x = 5,374,081.73/2,611.16
6. Step 6: Final answer
   x = 2,058.12