Finding the Fourth Proportional to 1,760.83, 2,430.07 and 974.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,760.83 : 2,430.07 = 974.86 : x
2. Step 2: Convert to fraction form
   1,760.83/2,430.07 = 974.86/x
3. Step 3: Cross multiply
   1,760.83x = 2,430.07 × 974.86
4. Step 4: Simplify right side
   1,760.83x = 2,368,978.04
5. Step 5: Solve for x
   x = 2,368,978.04/1,760.83
6. Step 6: Final answer
   x = 1,345.38