Finding the Fourth Proportional to 851,233.86, 1,174,711.82 and 469,274.31

Step by Step Solution

1. Step 1: Write the proportion equation
   851,233.86 : 1,174,711.82 = 469,274.31 : x
2. Step 2: Convert to fraction form
   851,233.86/1,174,711.82 = 469,274.31/x
3. Step 3: Cross multiply
   851,233.86x = 1,174,711.82 × 469,274.31
4. Step 4: Simplify right side
   851,233.86x = 551,262,076,432.97
5. Step 5: Solve for x
   x = 551,262,076,432.97/851,233.86
6. Step 6: Final answer
   x = 647,603.56