Finding the Fourth Proportional to 1,385.37, 1,911.80 and 795.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,385.37 : 1,911.80 = 795.91 : x
2. Step 2: Convert to fraction form
   1,385.37/1,911.80 = 795.91/x
3. Step 3: Cross multiply
   1,385.37x = 1,911.80 × 795.91
4. Step 4: Simplify right side
   1,385.37x = 1,521,607.20
5. Step 5: Solve for x
   x = 1,521,607.20/1,385.37
6. Step 6: Final answer
   x = 1,098.34