Finding the Fourth Proportional to 2,071.30, 2,862.48 and 1,697.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,071.30 : 2,862.48 = 1,697.68 : x
2. Step 2: Convert to fraction form
   2,071.30/2,862.48 = 1,697.68/x
3. Step 3: Cross multiply
   2,071.30x = 2,862.48 × 1,697.68
4. Step 4: Simplify right side
   2,071.30x = 4,859,575.05
5. Step 5: Solve for x
   x = 4,859,575.05/2,071.30
6. Step 6: Final answer
   x = 2,346.15