Finding the Fourth Proportional to 1,385.32, 2,076.90 and 736.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,385.32 : 2,076.90 = 736.24 : x
2. Step 2: Convert to fraction form
   1,385.32/2,076.90 = 736.24/x
3. Step 3: Cross multiply
   1,385.32x = 2,076.90 × 736.24
4. Step 4: Simplify right side
   1,385.32x = 1,529,096.86
5. Step 5: Solve for x
   x = 1,529,096.86/1,385.32
6. Step 6: Final answer
   x = 1,103.79