Finding the Fourth Proportional to 12,647,890.28, 18,971,880.42 and 3,063,275.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,647,890.28 : 18,971,880.42 = 3,063,275.24 : x
2. Step 2: Convert to fraction form
   12,647,890.28/18,971,880.42 = 3,063,275.24/x
3. Step 3: Cross multiply
   12,647,890.28x = 18,971,880.42 × 3,063,275.24
4. Step 4: Simplify right side
   12,647,890.28x = 58,116,091,546,826.81
5. Step 5: Solve for x
   x = 58,116,091,546,826.81/12,647,890.28
6. Step 6: Final answer
   x = 4,594,923.76