Finding the Fourth Proportional to 13,465.01, 18,578.89 and 7,799.42

Step by Step Solution

1. Step 1: Write the proportion equation
   13,465.01 : 18,578.89 = 7,799.42 : x
2. Step 2: Convert to fraction form
   13,465.01/18,578.89 = 7,799.42/x
3. Step 3: Cross multiply
   13,465.01x = 18,578.89 × 7,799.42
4. Step 4: Simplify right side
   13,465.01x = 144,904,566.24
5. Step 5: Solve for x
   x = 144,904,566.24/13,465.01
6. Step 6: Final answer
   x = 10,761.56