Finding the Fourth Proportional to 1,233,113.37, 1,850,719.82 and 485,684.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,233,113.37 : 1,850,719.82 = 485,684.25 : x
2. Step 2: Convert to fraction form
   1,233,113.37/1,850,719.82 = 485,684.25/x
3. Step 3: Cross multiply
   1,233,113.37x = 1,850,719.82 × 485,684.25
4. Step 4: Simplify right side
   1,233,113.37x = 898,865,465,308.41
5. Step 5: Solve for x
   x = 898,865,465,308.41/1,233,113.37
6. Step 6: Final answer
   x = 728,939.84