Finding the Fourth Proportional to 1,709.86, 2,565.61 and 929.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,709.86 : 2,565.61 = 929.83 : x
2. Step 2: Convert to fraction form
   1,709.86/2,565.61 = 929.83/x
3. Step 3: Cross multiply
   1,709.86x = 2,565.61 × 929.83
4. Step 4: Simplify right side
   1,709.86x = 2,385,581.15
5. Step 5: Solve for x
   x = 2,385,581.15/1,709.86
6. Step 6: Final answer
   x = 1,395.19