Finding the Fourth Proportional to 9,150,830.24, 12,628,107.24 and 5,076,449.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,150,830.24 : 12,628,107.24 = 5,076,449.24 : x
2. Step 2: Convert to fraction form
   9,150,830.24/12,628,107.24 = 5,076,449.24/x
3. Step 3: Cross multiply
   9,150,830.24x = 12,628,107.24 × 5,076,449.24
4. Step 4: Simplify right side
   9,150,830.24x = 64,105,945,401,136.50
5. Step 5: Solve for x
   x = 64,105,945,401,136.50/9,150,830.24
6. Step 6: Final answer
   x = 7,005,478.60