Finding the Fourth Proportional to 1,302.50, 1,797.41 and 712.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,302.50 : 1,797.41 = 712.98 : x
2. Step 2: Convert to fraction form
   1,302.50/1,797.41 = 712.98/x
3. Step 3: Cross multiply
   1,302.50x = 1,797.41 × 712.98
4. Step 4: Simplify right side
   1,302.50x = 1,281,513.82
5. Step 5: Solve for x
   x = 1,281,513.82/1,302.50
6. Step 6: Final answer
   x = 983.89