Finding the Fourth Proportional to 7,920.62, 10,927.34 and 5,087.59

Step by Step Solution

1. Step 1: Write the proportion equation
   7,920.62 : 10,927.34 = 5,087.59 : x
2. Step 2: Convert to fraction form
   7,920.62/10,927.34 = 5,087.59/x
3. Step 3: Cross multiply
   7,920.62x = 10,927.34 × 5,087.59
4. Step 4: Simplify right side
   7,920.62x = 55,593,853.50
5. Step 5: Solve for x
   x = 55,593,853.50/7,920.62
6. Step 6: Final answer
   x = 7,018.88