Finding the Fourth Proportional to 90,567.73, 124,940.05 and 63,725.05

Step by Step Solution

1. Step 1: Write the proportion equation
   90,567.73 : 124,940.05 = 63,725.05 : x
2. Step 2: Convert to fraction form
   90,567.73/124,940.05 = 63,725.05/x
3. Step 3: Cross multiply
   90,567.73x = 124,940.05 × 63,725.05
4. Step 4: Simplify right side
   90,567.73x = 7,961,810,933.25
5. Step 5: Solve for x
   x = 7,961,810,933.25/90,567.73
6. Step 6: Final answer
   x = 87,910.02