Finding the Fourth Proportional to 6,922.78, 10,389.72 and 3,637.82

Step by Step Solution

1. Step 1: Write the proportion equation
   6,922.78 : 10,389.72 = 3,637.82 : x
2. Step 2: Convert to fraction form
   6,922.78/10,389.72 = 3,637.82/x
3. Step 3: Cross multiply
   6,922.78x = 10,389.72 × 3,637.82
4. Step 4: Simplify right side
   6,922.78x = 37,795,931.21
5. Step 5: Solve for x
   x = 37,795,931.21/6,922.78
6. Step 6: Final answer
   x = 5,459.65