Finding the Fourth Proportional to 12,932.87, 17,846.02 and 7,898.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,932.87 : 17,846.02 = 7,898.31 : x
2. Step 2: Convert to fraction form
   12,932.87/17,846.02 = 7,898.31/x
3. Step 3: Cross multiply
   12,932.87x = 17,846.02 × 7,898.31
4. Step 4: Simplify right side
   12,932.87x = 140,953,408.10
5. Step 5: Solve for x
   x = 140,953,408.10/12,932.87
6. Step 6: Final answer
   x = 10,898.85