Finding the Fourth Proportional to 845,456.60, 1,166,774.82 and 463,499.48

Step by Step Solution

1. Step 1: Write the proportion equation
   845,456.60 : 1,166,774.82 = 463,499.48 : x
2. Step 2: Convert to fraction form
   845,456.60/1,166,774.82 = 463,499.48/x
3. Step 3: Cross multiply
   845,456.60x = 1,166,774.82 × 463,499.48
4. Step 4: Simplify right side
   845,456.60x = 540,799,522,347.09
5. Step 5: Solve for x
   x = 540,799,522,347.09/845,456.60
6. Step 6: Final answer
   x = 639,653.79