Finding the Fourth Proportional to 12,930.89, 17,846.57 and 7,898.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,930.89 : 17,846.57 = 7,898.04 : x
2. Step 2: Convert to fraction form
   12,930.89/17,846.57 = 7,898.04/x
3. Step 3: Cross multiply
   12,930.89x = 17,846.57 × 7,898.04
4. Step 4: Simplify right side
   12,930.89x = 140,952,943.47
5. Step 5: Solve for x
   x = 140,952,943.47/12,930.89
6. Step 6: Final answer
   x = 10,900.49