Finding the Fourth Proportional to 1,707.18, 2,561.31 and 937.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,707.18 : 2,561.31 = 937.50 : x
2. Step 2: Convert to fraction form
   1,707.18/2,561.31 = 937.50/x
3. Step 3: Cross multiply
   1,707.18x = 2,561.31 × 937.50
4. Step 4: Simplify right side
   1,707.18x = 2,401,228.13
5. Step 5: Solve for x
   x = 2,401,228.13/1,707.18
6. Step 6: Final answer
   x = 1,406.55