Finding the Fourth Proportional to 10,678.17, 14,735.59 and 5,898.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,678.17 : 14,735.59 = 5,898.48 : x
2. Step 2: Convert to fraction form
   10,678.17/14,735.59 = 5,898.48/x
3. Step 3: Cross multiply
   10,678.17x = 14,735.59 × 5,898.48
4. Step 4: Simplify right side
   10,678.17x = 86,917,582.90
5. Step 5: Solve for x
   x = 86,917,582.90/10,678.17
6. Step 6: Final answer
   x = 8,139.75