Finding the Fourth Proportional to 1,665.06, 2,298.41 and 1,310.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665.06 : 2,298.41 = 1,310.05 : x
2. Step 2: Convert to fraction form
   1,665.06/2,298.41 = 1,310.05/x
3. Step 3: Cross multiply
   1,665.06x = 2,298.41 × 1,310.05
4. Step 4: Simplify right side
   1,665.06x = 3,011,032.02
5. Step 5: Solve for x
   x = 3,011,032.02/1,665.06
6. Step 6: Final answer
   x = 1,808.36