Finding the Fourth Proportional to 6,906.50, 10,370.13 and 4,145.53

Step by Step Solution

1. Step 1: Write the proportion equation
   6,906.50 : 10,370.13 = 4,145.53 : x
2. Step 2: Convert to fraction form
   6,906.50/10,370.13 = 4,145.53/x
3. Step 3: Cross multiply
   6,906.50x = 10,370.13 × 4,145.53
4. Step 4: Simplify right side
   6,906.50x = 42,989,633.17
5. Step 5: Solve for x
   x = 42,989,633.17/6,906.50
6. Step 6: Final answer
   x = 6,224.52