Finding the Fourth Proportional to 12,407.73, 17,118.78 and 7,101.53

Step by Step Solution

1. Step 1: Write the proportion equation
   12,407.73 : 17,118.78 = 7,101.53 : x
2. Step 2: Convert to fraction form
   12,407.73/17,118.78 = 7,101.53/x
3. Step 3: Cross multiply
   12,407.73x = 17,118.78 × 7,101.53
4. Step 4: Simplify right side
   12,407.73x = 121,569,444.14
5. Step 5: Solve for x
   x = 121,569,444.14/12,407.73
6. Step 6: Final answer
   x = 9,797.88