Finding the Fourth Proportional to 4,059.52, 6,089.74 and 1,978.04

Step by Step Solution

1. Step 1: Write the proportion equation
   4,059.52 : 6,089.74 = 1,978.04 : x
2. Step 2: Convert to fraction form
   4,059.52/6,089.74 = 1,978.04/x
3. Step 3: Cross multiply
   4,059.52x = 6,089.74 × 1,978.04
4. Step 4: Simplify right side
   4,059.52x = 12,045,749.31
5. Step 5: Solve for x
   x = 12,045,749.31/4,059.52
6. Step 6: Final answer
   x = 2,967.28