Finding the Fourth Proportional to 1,696.86, 2,543.67 and 656.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,696.86 : 2,543.67 = 656.10 : x
2. Step 2: Convert to fraction form
   1,696.86/2,543.67 = 656.10/x
3. Step 3: Cross multiply
   1,696.86x = 2,543.67 × 656.10
4. Step 4: Simplify right side
   1,696.86x = 1,668,901.89
5. Step 5: Solve for x
   x = 1,668,901.89/1,696.86
6. Step 6: Final answer
   x = 983.52