Finding the Fourth Proportional to 5,920.50, 8,854.56 and 5,266.98

Step by Step Solution

1. Step 1: Write the proportion equation
   5,920.50 : 8,854.56 = 5,266.98 : x
2. Step 2: Convert to fraction form
   5,920.50/8,854.56 = 5,266.98/x
3. Step 3: Cross multiply
   5,920.50x = 8,854.56 × 5,266.98
4. Step 4: Simplify right side
   5,920.50x = 46,636,790.43
5. Step 5: Solve for x
   x = 46,636,790.43/5,920.50
6. Step 6: Final answer
   x = 7,877.17