Finding the Fourth Proportional to 3,925.30, 5,882.59 and 1,978.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,925.30 : 5,882.59 = 1,978.82 : x
2. Step 2: Convert to fraction form
   3,925.30/5,882.59 = 1,978.82/x
3. Step 3: Cross multiply
   3,925.30x = 5,882.59 × 1,978.82
4. Step 4: Simplify right side
   3,925.30x = 11,640,586.74
5. Step 5: Solve for x
   x = 11,640,586.74/3,925.30
6. Step 6: Final answer
   x = 2,965.53