Finding the Fourth Proportional to 7,888.97, 10,870.31 and 5,366.69

Step by Step Solution

1. Step 1: Write the proportion equation
   7,888.97 : 10,870.31 = 5,366.69 : x
2. Step 2: Convert to fraction form
   7,888.97/10,870.31 = 5,366.69/x
3. Step 3: Cross multiply
   7,888.97x = 10,870.31 × 5,366.69
4. Step 4: Simplify right side
   7,888.97x = 58,337,502.79
5. Step 5: Solve for x
   x = 58,337,502.79/7,888.97
6. Step 6: Final answer
   x = 7,394.82