Finding the Fourth Proportional to 2,378,665.12, 3,567,965.78 and 581,564.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,378,665.12 : 3,567,965.78 = 581,564.09 : x
2. Step 2: Convert to fraction form
   2,378,665.12/3,567,965.78 = 581,564.09/x
3. Step 3: Cross multiply
   2,378,665.12x = 3,567,965.78 × 581,564.09
4. Step 4: Simplify right side
   2,378,665.12x = 2,075,000,771,996.84
5. Step 5: Solve for x
   x = 2,075,000,771,996.84/2,378,665.12
6. Step 6: Final answer
   x = 872,338.34