Finding the Fourth Proportional to 3,826.07, 5,729.84 and 1,947.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,826.07 : 5,729.84 = 1,947.02 : x
2. Step 2: Convert to fraction form
   3,826.07/5,729.84 = 1,947.02/x
3. Step 3: Cross multiply
   3,826.07x = 5,729.84 × 1,947.02
4. Step 4: Simplify right side
   3,826.07x = 11,156,114.22
5. Step 5: Solve for x
   x = 11,156,114.22/3,826.07
6. Step 6: Final answer
   x = 2,915.82