Finding the Fourth Proportional to 10,180.79, 14,028.89 and 7,898.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,180.79 : 14,028.89 = 7,898.43 : x
2. Step 2: Convert to fraction form
   10,180.79/14,028.89 = 7,898.43/x
3. Step 3: Cross multiply
   10,180.79x = 14,028.89 × 7,898.43
4. Step 4: Simplify right side
   10,180.79x = 110,806,166.15
5. Step 5: Solve for x
   x = 110,806,166.15/10,180.79
6. Step 6: Final answer
   x = 10,883.85