Finding the Fourth Proportional to 2,878,280.71, 3,972,033.29 and 1,589,123.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,878,280.71 : 3,972,033.29 = 1,589,123.59 : x
2. Step 2: Convert to fraction form
   2,878,280.71/3,972,033.29 = 1,589,123.59/x
3. Step 3: Cross multiply
   2,878,280.71x = 3,972,033.29 × 1,589,123.59
4. Step 4: Simplify right side
   2,878,280.71x = 6,312,051,801,404.31
5. Step 5: Solve for x
   x = 6,312,051,801,404.31/2,878,280.71
6. Step 6: Final answer
   x = 2,192,993.82