Finding the Fourth Proportional to 7,314.23, 10,081.78 and 5,718.06

Step by Step Solution

1. Step 1: Write the proportion equation
   7,314.23 : 10,081.78 = 5,718.06 : x
2. Step 2: Convert to fraction form
   7,314.23/10,081.78 = 5,718.06/x
3. Step 3: Cross multiply
   7,314.23x = 10,081.78 × 5,718.06
4. Step 4: Simplify right side
   7,314.23x = 57,648,222.95
5. Step 5: Solve for x
   x = 57,648,222.95/7,314.23
6. Step 6: Final answer
   x = 7,881.65