Finding the Fourth Proportional to 1,609,656.90, 2,413,610.55 and 663,123.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,609,656.90 : 2,413,610.55 = 663,123.30 : x
2. Step 2: Convert to fraction form
   1,609,656.90/2,413,610.55 = 663,123.30/x
3. Step 3: Cross multiply
   1,609,656.90x = 2,413,610.55 × 663,123.30
4. Step 4: Simplify right side
   1,609,656.90x = 1,600,521,392,830.82
5. Step 5: Solve for x
   x = 1,600,521,392,830.82/1,609,656.90
6. Step 6: Final answer
   x = 994,324.56