Finding the Fourth Proportional to 2,611.79, 3,597.73 and 1,947.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,611.79 : 3,597.73 = 1,947.53 : x
2. Step 2: Convert to fraction form
   2,611.79/3,597.73 = 1,947.53/x
3. Step 3: Cross multiply
   2,611.79x = 3,597.73 × 1,947.53
4. Step 4: Simplify right side
   2,611.79x = 7,006,664.25
5. Step 5: Solve for x
   x = 7,006,664.25/2,611.79
6. Step 6: Final answer
   x = 2,682.70