Finding the Fourth Proportional to 2,573,431.37, 3,857,453.71 and 866,984.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,573,431.37 : 3,857,453.71 = 866,984.98 : x
2. Step 2: Convert to fraction form
   2,573,431.37/3,857,453.71 = 866,984.98/x
3. Step 3: Cross multiply
   2,573,431.37x = 3,857,453.71 × 866,984.98
4. Step 4: Simplify right side
   2,573,431.37x = 3,344,354,417,323.27
5. Step 5: Solve for x
   x = 3,344,354,417,323.27/2,573,431.37
6. Step 6: Final answer
   x = 1,299,570.08