Finding the Fourth Proportional to 1,826.61, 2,738.71 and 656.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,826.61 : 2,738.71 = 656.02 : x
2. Step 2: Convert to fraction form
   1,826.61/2,738.71 = 656.02/x
3. Step 3: Cross multiply
   1,826.61x = 2,738.71 × 656.02
4. Step 4: Simplify right side
   1,826.61x = 1,796,648.53
5. Step 5: Solve for x
   x = 1,796,648.53/1,826.61
6. Step 6: Final answer
   x = 983.60