Finding the Fourth Proportional to 1,664.83, 2,298.39 and 1,310.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,664.83 : 2,298.39 = 1,310.05 : x
2. Step 2: Convert to fraction form
   1,664.83/2,298.39 = 1,310.05/x
3. Step 3: Cross multiply
   1,664.83x = 2,298.39 × 1,310.05
4. Step 4: Simplify right side
   1,664.83x = 3,011,005.82
5. Step 5: Solve for x
   x = 3,011,005.82/1,664.83
6. Step 6: Final answer
   x = 1,808.60