Finding the Fourth Proportional to 1,685.38, 2,526.02 and 760.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,685.38 : 2,526.02 = 760.69 : x
2. Step 2: Convert to fraction form
   1,685.38/2,526.02 = 760.69/x
3. Step 3: Cross multiply
   1,685.38x = 2,526.02 × 760.69
4. Step 4: Simplify right side
   1,685.38x = 1,921,518.15
5. Step 5: Solve for x
   x = 1,921,518.15/1,685.38
6. Step 6: Final answer
   x = 1,140.11