Finding the Fourth Proportional to 3,666,384.78, 5,499,555.28 and 1,994,117.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,666,384.78 : 5,499,555.28 = 1,994,117.10 : x
2. Step 2: Convert to fraction form
   3,666,384.78/5,499,555.28 = 1,994,117.10/x
3. Step 3: Cross multiply
   3,666,384.78x = 5,499,555.28 × 1,994,117.10
4. Step 4: Simplify right side
   3,666,384.78x = 10,966,757,226,243.29
5. Step 5: Solve for x
   x = 10,966,757,226,243.29/3,666,384.78
6. Step 6: Final answer
   x = 2,991,163.74