Finding the Fourth Proportional to 6,900.33, 9,521.98 and 3,916.22

Step by Step Solution

1. Step 1: Write the proportion equation
   6,900.33 : 9,521.98 = 3,916.22 : x
2. Step 2: Convert to fraction form
   6,900.33/9,521.98 = 3,916.22/x
3. Step 3: Cross multiply
   6,900.33x = 9,521.98 × 3,916.22
4. Step 4: Simplify right side
   6,900.33x = 37,290,182.53
5. Step 5: Solve for x
   x = 37,290,182.53/6,900.33
6. Step 6: Final answer
   x = 5,404.12