Finding the Fourth Proportional to 1,385.13, 1,911.59 and 795.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,385.13 : 1,911.59 = 795.86 : x
2. Step 2: Convert to fraction form
   1,385.13/1,911.59 = 795.86/x
3. Step 3: Cross multiply
   1,385.13x = 1,911.59 × 795.86
4. Step 4: Simplify right side
   1,385.13x = 1,521,350.45
5. Step 5: Solve for x
   x = 1,521,350.45/1,385.13
6. Step 6: Final answer
   x = 1,098.34