Finding the Fourth Proportional to 2,561.31, 3,838.10 and 1,736.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,561.31 : 3,838.10 = 1,736.73 : x
2. Step 2: Convert to fraction form
   2,561.31/3,838.10 = 1,736.73/x
3. Step 3: Cross multiply
   2,561.31x = 3,838.10 × 1,736.73
4. Step 4: Simplify right side
   2,561.31x = 6,665,734.73
5. Step 5: Solve for x
   x = 6,665,734.73/2,561.31
6. Step 6: Final answer
   x = 2,602.47