Finding the Fourth Proportional to 1,651.59, 2,279.30 and 1,091.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,651.59 : 2,279.30 = 1,091.07 : x
2. Step 2: Convert to fraction form
   1,651.59/2,279.30 = 1,091.07/x
3. Step 3: Cross multiply
   1,651.59x = 2,279.30 × 1,091.07
4. Step 4: Simplify right side
   1,651.59x = 2,486,870.40
5. Step 5: Solve for x
   x = 2,486,870.40/1,651.59
6. Step 6: Final answer
   x = 1,505.74