Finding the Fourth Proportional to 12,556.86, 18,838.37 and 5,799.29

Step by Step Solution

1. Step 1: Write the proportion equation
   12,556.86 : 18,838.37 = 5,799.29 : x
2. Step 2: Convert to fraction form
   12,556.86/18,838.37 = 5,799.29/x
3. Step 3: Cross multiply
   12,556.86x = 18,838.37 × 5,799.29
4. Step 4: Simplify right side
   12,556.86x = 109,249,170.76
5. Step 5: Solve for x
   x = 109,249,170.76/12,556.86
6. Step 6: Final answer
   x = 8,700.36