Finding the Fourth Proportional to 11,097,872.78, 16,646,433.96 and 3,909,218.81

Step by Step Solution

1. Step 1: Write the proportion equation
   11,097,872.78 : 16,646,433.96 = 3,909,218.81 : x
2. Step 2: Convert to fraction form
   11,097,872.78/16,646,433.96 = 3,909,218.81/x
3. Step 3: Cross multiply
   11,097,872.78x = 16,646,433.96 × 3,909,218.81
4. Step 4: Simplify right side
   11,097,872.78x = 65,074,552,747,932.39
5. Step 5: Solve for x
   x = 65,074,552,747,932.39/11,097,872.78
6. Step 6: Final answer
   x = 5,863,696.05