Finding the Fourth Proportional to 12,627.89, 17,419.35 and 7,903.97

Step by Step Solution

1. Step 1: Write the proportion equation
   12,627.89 : 17,419.35 = 7,903.97 : x
2. Step 2: Convert to fraction form
   12,627.89/17,419.35 = 7,903.97/x
3. Step 3: Cross multiply
   12,627.89x = 17,419.35 × 7,903.97
4. Step 4: Simplify right side
   12,627.89x = 137,681,932.72
5. Step 5: Solve for x
   x = 137,681,932.72/12,627.89
6. Step 6: Final answer
   x = 10,903.01