Finding the Fourth Proportional to 10,775,760.47, 16,163,061.18 and 5,305,401.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,775,760.47 : 16,163,061.18 = 5,305,401.82 : x
2. Step 2: Convert to fraction form
   10,775,760.47/16,163,061.18 = 5,305,401.82/x
3. Step 3: Cross multiply
   10,775,760.47x = 16,163,061.18 × 5,305,401.82
4. Step 4: Simplify right side
   10,775,760.47x = 85,751,534,201,451.92
5. Step 5: Solve for x
   x = 85,751,534,201,451.92/10,775,760.47
6. Step 6: Final answer
   x = 7,957,817.40