Finding the Fourth Proportional to 2,147,899.77, 3,222,741.87 and 869,411.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,147,899.77 : 3,222,741.87 = 869,411.01 : x
2. Step 2: Convert to fraction form
   2,147,899.77/3,222,741.87 = 869,411.01/x
3. Step 3: Cross multiply
   2,147,899.77x = 3,222,741.87 × 869,411.01
4. Step 4: Simplify right side
   2,147,899.77x = 2,801,887,248,052.28
5. Step 5: Solve for x
   x = 2,801,887,248,052.28/2,147,899.77
6. Step 6: Final answer
   x = 1,304,477.65