Finding the Fourth Proportional to 1,666.54, 2,498.01 and 1,342.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,666.54 : 2,498.01 = 1,342.18 : x
2. Step 2: Convert to fraction form
   1,666.54/2,498.01 = 1,342.18/x
3. Step 3: Cross multiply
   1,666.54x = 2,498.01 × 1,342.18
4. Step 4: Simplify right side
   1,666.54x = 3,352,779.06
5. Step 5: Solve for x
   x = 3,352,779.06/1,666.54
6. Step 6: Final answer
   x = 2,011.82