Finding the Fourth Proportional to 10,013.13, 13,818.77 and 5,764.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,013.13 : 13,818.77 = 5,764.72 : x
2. Step 2: Convert to fraction form
   10,013.13/13,818.77 = 5,764.72/x
3. Step 3: Cross multiply
   10,013.13x = 13,818.77 × 5,764.72
4. Step 4: Simplify right side
   10,013.13x = 79,661,339.79
5. Step 5: Solve for x
   x = 79,661,339.79/10,013.13
6. Step 6: Final answer
   x = 7,955.69