Finding the Fourth Proportional to 6,925.05, 10,390.61 and 3,637.40

Step by Step Solution

1. Step 1: Write the proportion equation
   6,925.05 : 10,390.61 = 3,637.40 : x
2. Step 2: Convert to fraction form
   6,925.05/10,390.61 = 3,637.40/x
3. Step 3: Cross multiply
   6,925.05x = 10,390.61 × 3,637.40
4. Step 4: Simplify right side
   6,925.05x = 37,794,734.67
5. Step 5: Solve for x
   x = 37,794,734.67/6,925.05
6. Step 6: Final answer
   x = 5,457.68