Finding the Fourth Proportional to 10,667,278.96, 14,720,883.78 and 5,772,500.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,667,278.96 : 14,720,883.78 = 5,772,500.56 : x
2. Step 2: Convert to fraction form
   10,667,278.96/14,720,883.78 = 5,772,500.56/x
3. Step 3: Cross multiply
   10,667,278.96x = 14,720,883.78 × 5,772,500.56
4. Step 4: Simplify right side
   10,667,278.96x = 84,976,309,863,744.91
5. Step 5: Solve for x
   x = 84,976,309,863,744.91/10,667,278.96
6. Step 6: Final answer
   x = 7,966,071.78