Finding the Fourth Proportional to 1,615.83, 2,423.46 and 738.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,615.83 : 2,423.46 = 738.06 : x
2. Step 2: Convert to fraction form
   1,615.83/2,423.46 = 738.06/x
3. Step 3: Cross multiply
   1,615.83x = 2,423.46 × 738.06
4. Step 4: Simplify right side
   1,615.83x = 1,788,658.89
5. Step 5: Solve for x
   x = 1,788,658.89/1,615.83
6. Step 6: Final answer
   x = 1,106.96