Finding the Fourth Proportional to 10,673,019.72, 14,728,772.43 and 5,778,242.64

Step by Step Solution

1. Step 1: Write the proportion equation
   10,673,019.72 : 14,728,772.43 = 5,778,242.64 : x
2. Step 2: Convert to fraction form
   10,673,019.72/14,728,772.43 = 5,778,242.64/x
3. Step 3: Cross multiply
   10,673,019.72x = 14,728,772.43 × 5,778,242.64
4. Step 4: Simplify right side
   10,673,019.72x = 85,106,420,889,882.41
5. Step 5: Solve for x
   x = 85,106,420,889,882.41/10,673,019.72
6. Step 6: Final answer
   x = 7,973,977.67