Finding the Fourth Proportional to 1,103.50, 1,656.69 and 739.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103.50 : 1,656.69 = 739.91 : x
2. Step 2: Convert to fraction form
   1,103.50/1,656.69 = 739.91/x
3. Step 3: Cross multiply
   1,103.50x = 1,656.69 × 739.91
4. Step 4: Simplify right side
   1,103.50x = 1,225,803.23
5. Step 5: Solve for x
   x = 1,225,803.23/1,103.50
6. Step 6: Final answer
   x = 1,110.84