Finding the Fourth Proportional to 838,436.09, 1,157,062.61 and 456,483.83

Step by Step Solution

1. Step 1: Write the proportion equation
   838,436.09 : 1,157,062.61 = 456,483.83 : x
2. Step 2: Convert to fraction form
   838,436.09/1,157,062.61 = 456,483.83/x
3. Step 3: Cross multiply
   838,436.09x = 1,157,062.61 × 456,483.83
4. Step 4: Simplify right side
   838,436.09x = 528,180,371,762.60
5. Step 5: Solve for x
   x = 528,180,371,762.60/838,436.09
6. Step 6: Final answer
   x = 629,959.01