Finding the Fourth Proportional to 1,731.50, 2,598.06 and 757.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,731.50 : 2,598.06 = 757.88 : x
2. Step 2: Convert to fraction form
   1,731.50/2,598.06 = 757.88/x
3. Step 3: Cross multiply
   1,731.50x = 2,598.06 × 757.88
4. Step 4: Simplify right side
   1,731.50x = 1,969,017.71
5. Step 5: Solve for x
   x = 1,969,017.71/1,731.50
6. Step 6: Final answer
   x = 1,137.17