Finding the Fourth Proportional to 483,715.31, 725,570.67 and 123,885.47

Step by Step Solution

1. Step 1: Write the proportion equation
   483,715.31 : 725,570.67 = 123,885.47 : x
2. Step 2: Convert to fraction form
   483,715.31/725,570.67 = 123,885.47/x
3. Step 3: Cross multiply
   483,715.31x = 725,570.67 × 123,885.47
4. Step 4: Simplify right side
   483,715.31x = 89,887,665,749.66
5. Step 5: Solve for x
   x = 89,887,665,749.66/483,715.31
6. Step 6: Final answer
   x = 185,827.62