Finding the Fourth Proportional to 10,238.88, 15,339.78 and 4,696.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,238.88 : 15,339.78 = 4,696.86 : x
2. Step 2: Convert to fraction form
   10,238.88/15,339.78 = 4,696.86/x
3. Step 3: Cross multiply
   10,238.88x = 15,339.78 × 4,696.86
4. Step 4: Simplify right side
   10,238.88x = 72,048,799.09
5. Step 5: Solve for x
   x = 72,048,799.09/10,238.88
6. Step 6: Final answer
   x = 7,036.79