Finding the Fourth Proportional to 826,502.58, 1,140,429.42 and 463,941.72

Step by Step Solution

1. Step 1: Write the proportion equation
   826,502.58 : 1,140,429.42 = 463,941.72 : x
2. Step 2: Convert to fraction form
   826,502.58/1,140,429.42 = 463,941.72/x
3. Step 3: Cross multiply
   826,502.58x = 1,140,429.42 × 463,941.72
4. Step 4: Simplify right side
   826,502.58x = 529,092,786,653.40
5. Step 5: Solve for x
   x = 529,092,786,653.40/826,502.58
6. Step 6: Final answer
   x = 640,158.66