Finding the Fourth Proportional to 1,666.58, 2,300.60 and 1,268.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,666.58 : 2,300.60 = 1,268.29 : x
2. Step 2: Convert to fraction form
   1,666.58/2,300.60 = 1,268.29/x
3. Step 3: Cross multiply
   1,666.58x = 2,300.60 × 1,268.29
4. Step 4: Simplify right side
   1,666.58x = 2,917,834.02
5. Step 5: Solve for x
   x = 2,917,834.02/1,666.58
6. Step 6: Final answer
   x = 1,750.80