Finding the Fourth Proportional to 763,365.72, 1,053,477.60 and 423,834

Step by Step Solution

1. Step 1: Write the proportion equation
   763,365.72 : 1,053,477.60 = 423,834 : x
2. Step 2: Convert to fraction form
   763,365.72/1,053,477.60 = 423,834/x
3. Step 3: Cross multiply
   763,365.72x = 1,053,477.60 × 423,834
4. Step 4: Simplify right side
   763,365.72x = 446,499,625,118.40
5. Step 5: Solve for x
   x = 446,499,625,118.40/763,365.72
6. Step 6: Final answer
   x = 584,909.19