Finding the Fourth Proportional to 10,870.34, 16,307.22 and 4,296.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,870.34 : 16,307.22 = 4,296.56 : x
2. Step 2: Convert to fraction form
   10,870.34/16,307.22 = 4,296.56/x
3. Step 3: Cross multiply
   10,870.34x = 16,307.22 × 4,296.56
4. Step 4: Simplify right side
   10,870.34x = 70,064,949.16
5. Step 5: Solve for x
   x = 70,064,949.16/10,870.34
6. Step 6: Final answer
   x = 6,445.52