Finding the Fourth Proportional to 5,898.47, 8,853.17 and 2,978.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,898.47 : 8,853.17 = 2,978.82 : x
2. Step 2: Convert to fraction form
   5,898.47/8,853.17 = 2,978.82/x
3. Step 3: Cross multiply
   5,898.47x = 8,853.17 × 2,978.82
4. Step 4: Simplify right side
   5,898.47x = 26,371,984.97
5. Step 5: Solve for x
   x = 26,371,984.97/5,898.47
6. Step 6: Final answer
   x = 4,470.99