Finding the Fourth Proportional to 12,930.46, 17,843.46 and 7,903.08

Step by Step Solution

1. Step 1: Write the proportion equation
   12,930.46 : 17,843.46 = 7,903.08 : x
2. Step 2: Convert to fraction form
   12,930.46/17,843.46 = 7,903.08/x
3. Step 3: Cross multiply
   12,930.46x = 17,843.46 × 7,903.08
4. Step 4: Simplify right side
   12,930.46x = 141,018,291.86
5. Step 5: Solve for x
   x = 141,018,291.86/12,930.46
6. Step 6: Final answer
   x = 10,905.90