Finding the Fourth Proportional to 2,174,499.27, 3,261,495.54 and 577,186.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,174,499.27 : 3,261,495.54 = 577,186.49 : x
2. Step 2: Convert to fraction form
   2,174,499.27/3,261,495.54 = 577,186.49/x
3. Step 3: Cross multiply
   2,174,499.27x = 3,261,495.54 × 577,186.49
4. Step 4: Simplify right side
   2,174,499.27x = 1,882,491,162,883.25
5. Step 5: Solve for x
   x = 1,882,491,162,883.25/2,174,499.27
6. Step 6: Final answer
   x = 865,712.48