Finding the Fourth Proportional to 9,649,078.81, 13,315,728.83 and 5,298,165.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,649,078.81 : 13,315,728.83 = 5,298,165.12 : x
2. Step 2: Convert to fraction form
   9,649,078.81/13,315,728.83 = 5,298,165.12/x
3. Step 3: Cross multiply
   9,649,078.81x = 13,315,728.83 × 5,298,165.12
4. Step 4: Simplify right side
   9,649,078.81x = 70,548,929,977,927.72
5. Step 5: Solve for x
   x = 70,548,929,977,927.72/9,649,078.81
6. Step 6: Final answer
   x = 7,311,467.90