Finding the Fourth Proportional to 10,640,297.16, 15,962,688.72 and 3,451,271.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,640,297.16 : 15,962,688.72 = 3,451,271.76 : x
2. Step 2: Convert to fraction form
   10,640,297.16/15,962,688.72 = 3,451,271.76/x
3. Step 3: Cross multiply
   10,640,297.16x = 15,962,688.72 × 3,451,271.76
4. Step 4: Simplify right side
   10,640,297.16x = 55,091,576,793,006.55
5. Step 5: Solve for x
   x = 55,091,576,793,006.55/10,640,297.16
6. Step 6: Final answer
   x = 5,177,635.17