Finding the Fourth Proportional to 2,601,866.72, 3,903,392.88 and 1,403,766.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,601,866.72 : 3,903,392.88 = 1,403,766.56 : x
2. Step 2: Convert to fraction form
   2,601,866.72/3,903,392.88 = 1,403,766.56/x
3. Step 3: Cross multiply
   2,601,866.72x = 3,903,392.88 × 1,403,766.56
4. Step 4: Simplify right side
   2,601,866.72x = 5,479,452,395,486.09
5. Step 5: Solve for x
   x = 5,479,452,395,486.09/2,601,866.72
6. Step 6: Final answer
   x = 2,105,969.67