Finding the Fourth Proportional to 10,007.15, 13,810.91 and 5,759.51

Step by Step Solution

1. Step 1: Write the proportion equation
   10,007.15 : 13,810.91 = 5,759.51 : x
2. Step 2: Convert to fraction form
   10,007.15/13,810.91 = 5,759.51/x
3. Step 3: Cross multiply
   10,007.15x = 13,810.91 × 5,759.51
4. Step 4: Simplify right side
   10,007.15x = 79,543,976.40
5. Step 5: Solve for x
   x = 79,543,976.40/10,007.15
6. Step 6: Final answer
   x = 7,948.72