Finding the Fourth Proportional to 483,716.31, 725,572.17 and 123,886.47

Step by Step Solution

1. Step 1: Write the proportion equation
   483,716.31 : 725,572.17 = 123,886.47 : x
2. Step 2: Convert to fraction form
   483,716.31/725,572.17 = 123,886.47/x
3. Step 3: Cross multiply
   483,716.31x = 725,572.17 × 123,886.47
4. Step 4: Simplify right side
   483,716.31x = 89,888,574,871.54
5. Step 5: Solve for x
   x = 89,888,574,871.54/483,716.31
6. Step 6: Final answer
   x = 185,829.12