Finding the Fourth Proportional to 1,826.55, 2,520.99 and 1,164.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,826.55 : 2,520.99 = 1,164.15 : x
2. Step 2: Convert to fraction form
   1,826.55/2,520.99 = 1,164.15/x
3. Step 3: Cross multiply
   1,826.55x = 2,520.99 × 1,164.15
4. Step 4: Simplify right side
   1,826.55x = 2,934,810.51
5. Step 5: Solve for x
   x = 2,934,810.51/1,826.55
6. Step 6: Final answer
   x = 1,606.75