Finding the Fourth Proportional to 2,221,400.59, 3,332,100.89 and 538,504.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,221,400.59 : 3,332,100.89 = 538,504.09 : x
2. Step 2: Convert to fraction form
   2,221,400.59/3,332,100.89 = 538,504.09/x
3. Step 3: Cross multiply
   2,221,400.59x = 3,332,100.89 × 538,504.09
4. Step 4: Simplify right side
   2,221,400.59x = 1,794,349,970,389.58
5. Step 5: Solve for x
   x = 1,794,349,970,389.58/2,221,400.59
6. Step 6: Final answer
   x = 807,756.14