Finding the Fourth Proportional to 1,697.90, 2,547.06 and 773.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,697.90 : 2,547.06 = 773.42 : x
2. Step 2: Convert to fraction form
   1,697.90/2,547.06 = 773.42/x
3. Step 3: Cross multiply
   1,697.90x = 2,547.06 × 773.42
4. Step 4: Simplify right side
   1,697.90x = 1,969,947.15
5. Step 5: Solve for x
   x = 1,969,947.15/1,697.90
6. Step 6: Final answer
   x = 1,160.23