Finding the Fourth Proportional to 1,876.91, 2,590.18 and 1,091.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,876.91 : 2,590.18 = 1,091.00 : x
2. Step 2: Convert to fraction form
   1,876.91/2,590.18 = 1,091.00/x
3. Step 3: Cross multiply
   1,876.91x = 2,590.18 × 1,091.00
4. Step 4: Simplify right side
   1,876.91x = 2,825,890.13
5. Step 5: Solve for x
   x = 2,825,890.13/1,876.91
6. Step 6: Final answer
   x = 1,505.61