Finding the Fourth Proportional to 2,557,407.98, 3,529,205.56 and 1,411,488.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,557,407.98 : 3,529,205.56 = 1,411,488.43 : x
2. Step 2: Convert to fraction form
   2,557,407.98/3,529,205.56 = 1,411,488.43/x
3. Step 3: Cross multiply
   2,557,407.98x = 3,529,205.56 × 1,411,488.43
4. Step 4: Simplify right side
   2,557,407.98x = 4,981,432,815,031.67
5. Step 5: Solve for x
   x = 4,981,432,815,031.67/2,557,407.98
6. Step 6: Final answer
   x = 1,947,844.40