Finding the Fourth Proportional to 2,140,464.69, 2,953,933.52 and 1,280,859.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,140,464.69 : 2,953,933.52 = 1,280,859.48 : x
2. Step 2: Convert to fraction form
   2,140,464.69/2,953,933.52 = 1,280,859.48/x
3. Step 3: Cross multiply
   2,140,464.69x = 2,953,933.52 × 1,280,859.48
4. Step 4: Simplify right side
   2,140,464.69x = 3,783,573,745,977.47
5. Step 5: Solve for x
   x = 3,783,573,745,977.47/2,140,464.69
6. Step 6: Final answer
   x = 1,767,641.28