Finding the Fourth Proportional to 1,385.35, 2,077.38 and 735.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,385.35 : 2,077.38 = 735.91 : x
2. Step 2: Convert to fraction form
   1,385.35/2,077.38 = 735.91/x
3. Step 3: Cross multiply
   1,385.35x = 2,077.38 × 735.91
4. Step 4: Simplify right side
   1,385.35x = 1,528,764.72
5. Step 5: Solve for x
   x = 1,528,764.72/1,385.35
6. Step 6: Final answer
   x = 1,103.52