Finding the Fourth Proportional to 760,827.52, 1,140,249.84 and 423,854.56

Step by Step Solution

1. Step 1: Write the proportion equation
   760,827.52 : 1,140,249.84 = 423,854.56 : x
2. Step 2: Convert to fraction form
   760,827.52/1,140,249.84 = 423,854.56/x
3. Step 3: Cross multiply
   760,827.52x = 1,140,249.84 × 423,854.56
4. Step 4: Simplify right side
   760,827.52x = 483,300,094,223.27
5. Step 5: Solve for x
   x = 483,300,094,223.27/760,827.52
6. Step 6: Final answer
   x = 635,229.51