Finding the Fourth Proportional to 8,738.43, 12,053.52 and 5,199

Step by Step Solution

1. Step 1: Write the proportion equation
   8,738.43 : 12,053.52 = 5,199 : x
2. Step 2: Convert to fraction form
   8,738.43/12,053.52 = 5,199/x
3. Step 3: Cross multiply
   8,738.43x = 12,053.52 × 5,199
4. Step 4: Simplify right side
   8,738.43x = 62,666,250.48
5. Step 5: Solve for x
   x = 62,666,250.48/8,738.43
6. Step 6: Final answer
   x = 7,171.34