Finding the Fourth Proportional to 2,900,570.69, 4,329,564.76 and 2,686,813.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,900,570.69 : 4,329,564.76 = 2,686,813.31 : x
2. Step 2: Convert to fraction form
   2,900,570.69/4,329,564.76 = 2,686,813.31/x
3. Step 3: Cross multiply
   2,900,570.69x = 4,329,564.76 × 2,686,813.31
4. Step 4: Simplify right side
   2,900,570.69x = 11,632,732,237,857.38
5. Step 5: Solve for x
   x = 11,632,732,237,857.38/2,900,570.69
6. Step 6: Final answer
   x = 4,010,497.75