Finding the Fourth Proportional to 2,850,963.72, 3,934,427.86 and 1,561,803.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,850,963.72 : 3,934,427.86 = 1,561,803.72 : x
2. Step 2: Convert to fraction form
   2,850,963.72/3,934,427.86 = 1,561,803.72/x
3. Step 3: Cross multiply
   2,850,963.72x = 3,934,427.86 × 1,561,803.72
4. Step 4: Simplify right side
   2,850,963.72x = 6,144,804,067,819.64
5. Step 5: Solve for x
   x = 6,144,804,067,819.64/2,850,963.72
6. Step 6: Final answer
   x = 2,155,342.78