Finding the Fourth Proportional to 850,814.79, 1,174,109.31 and 463,633.59

Step by Step Solution

1. Step 1: Write the proportion equation
   850,814.79 : 1,174,109.31 = 463,633.59 : x
2. Step 2: Convert to fraction form
   850,814.79/1,174,109.31 = 463,633.59/x
3. Step 3: Cross multiply
   850,814.79x = 1,174,109.31 × 463,633.59
4. Step 4: Simplify right side
   850,814.79x = 544,356,514,447.72
5. Step 5: Solve for x
   x = 544,356,514,447.72/850,814.79
6. Step 6: Final answer
   x = 639,806.13