Finding the Fourth Proportional to 11,393.15, 15,704.63 and 7,801.89

Step by Step Solution

1. Step 1: Write the proportion equation
   11,393.15 : 15,704.63 = 7,801.89 : x
2. Step 2: Convert to fraction form
   11,393.15/15,704.63 = 7,801.89/x
3. Step 3: Cross multiply
   11,393.15x = 15,704.63 × 7,801.89
4. Step 4: Simplify right side
   11,393.15x = 122,525,859.33
5. Step 5: Solve for x
   x = 122,525,859.33/11,393.15
6. Step 6: Final answer
   x = 10,754.35