Finding the Fourth Proportional to 1,799.77, 2,699.42 and 760.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,799.77 : 2,699.42 = 760.18 : x
2. Step 2: Convert to fraction form
   1,799.77/2,699.42 = 760.18/x
3. Step 3: Cross multiply
   1,799.77x = 2,699.42 × 760.18
4. Step 4: Simplify right side
   1,799.77x = 2,052,045.10
5. Step 5: Solve for x
   x = 2,052,045.10/1,799.77
6. Step 6: Final answer
   x = 1,140.17