Finding the Fourth Proportional to 3,996,386.59, 5,515,144.72 and 2,185,550.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,996,386.59 : 5,515,144.72 = 2,185,550.59 : x
2. Step 2: Convert to fraction form
   3,996,386.59/5,515,144.72 = 2,185,550.59/x
3. Step 3: Cross multiply
   3,996,386.59x = 5,515,144.72 × 2,185,550.59
4. Step 4: Simplify right side
   3,996,386.59x = 12,053,627,796,731.38
5. Step 5: Solve for x
   x = 12,053,627,796,731.38/3,996,386.59
6. Step 6: Final answer
   x = 3,016,131.58