Finding the Fourth Proportional to 12,930.38, 17,843.43 and 7,903.01

Step by Step Solution

1. Step 1: Write the proportion equation
   12,930.38 : 17,843.43 = 7,903.01 : x
2. Step 2: Convert to fraction form
   12,930.38/17,843.43 = 7,903.01/x
3. Step 3: Cross multiply
   12,930.38x = 17,843.43 × 7,903.01
4. Step 4: Simplify right side
   12,930.38x = 141,016,805.72
5. Step 5: Solve for x
   x = 141,016,805.72/12,930.38
6. Step 6: Final answer
   x = 10,905.85