Finding the Fourth Proportional to 2,506.88, 3,457.32 and 1,666.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,506.88 : 3,457.32 = 1,666.82 : x
2. Step 2: Convert to fraction form
   2,506.88/3,457.32 = 1,666.82/x
3. Step 3: Cross multiply
   2,506.88x = 3,457.32 × 1,666.82
4. Step 4: Simplify right side
   2,506.88x = 5,762,730.12
5. Step 5: Solve for x
   x = 5,762,730.12/2,506.88
6. Step 6: Final answer
   x = 2,298.77