Finding the Fourth Proportional to 2,588,573.68, 3,882,860.54 and 791,457.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,588,573.68 : 3,882,860.54 = 791,457.20 : x
2. Step 2: Convert to fraction form
   2,588,573.68/3,882,860.54 = 791,457.20/x
3. Step 3: Cross multiply
   2,588,573.68x = 3,882,860.54 × 791,457.20
4. Step 4: Simplify right side
   2,588,573.68x = 3,073,117,930,978.89
5. Step 5: Solve for x
   x = 3,073,117,930,978.89/2,588,573.68
6. Step 6: Final answer
   x = 1,187,185.81