Finding the Fourth Proportional to 2,620.06, 3,931.47 and 1,695.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,620.06 : 3,931.47 = 1,695.37 : x
2. Step 2: Convert to fraction form
   2,620.06/3,931.47 = 1,695.37/x
3. Step 3: Cross multiply
   2,620.06x = 3,931.47 × 1,695.37
4. Step 4: Simplify right side
   2,620.06x = 6,665,296.29
5. Step 5: Solve for x
   x = 6,665,296.29/2,620.06
6. Step 6: Final answer
   x = 2,543.95