Finding the Fourth Proportional to 12,799.93, 17,663.47 and 7,422.46

Step by Step Solution

1. Step 1: Write the proportion equation
   12,799.93 : 17,663.47 = 7,422.46 : x
2. Step 2: Convert to fraction form
   12,799.93/17,663.47 = 7,422.46/x
3. Step 3: Cross multiply
   12,799.93x = 17,663.47 × 7,422.46
4. Step 4: Simplify right side
   12,799.93x = 131,106,399.54
5. Step 5: Solve for x
   x = 131,106,399.54/12,799.93
6. Step 6: Final answer
   x = 10,242.74