Finding the Fourth Proportional to 12,645.93, 17,445.72 and 7,607.19

Step by Step Solution

1. Step 1: Write the proportion equation
   12,645.93 : 17,445.72 = 7,607.19 : x
2. Step 2: Convert to fraction form
   12,645.93/17,445.72 = 7,607.19/x
3. Step 3: Cross multiply
   12,645.93x = 17,445.72 × 7,607.19
4. Step 4: Simplify right side
   12,645.93x = 132,712,906.73
5. Step 5: Solve for x
   x = 132,712,906.73/12,645.93
6. Step 6: Final answer
   x = 10,494.52