Finding the Fourth Proportional to 2,407.60, 3,322.71 and 1,511.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,407.60 : 3,322.71 = 1,511.98 : x
2. Step 2: Convert to fraction form
   2,407.60/3,322.71 = 1,511.98/x
3. Step 3: Cross multiply
   2,407.60x = 3,322.71 × 1,511.98
4. Step 4: Simplify right side
   2,407.60x = 5,023,871.07
5. Step 5: Solve for x
   x = 5,023,871.07/2,407.60
6. Step 6: Final answer
   x = 2,086.67