Finding the Fourth Proportional to 899,636.79, 1,348,788.56 and 544,566.81

Step by Step Solution

1. Step 1: Write the proportion equation
   899,636.79 : 1,348,788.56 = 544,566.81 : x
2. Step 2: Convert to fraction form
   899,636.79/1,348,788.56 = 544,566.81/x
3. Step 3: Cross multiply
   899,636.79x = 1,348,788.56 × 544,566.81
4. Step 4: Simplify right side
   899,636.79x = 734,505,480,760.86
5. Step 5: Solve for x
   x = 734,505,480,760.86/899,636.79
6. Step 6: Final answer
   x = 816,446.69