Finding the Fourth Proportional to 124,548.72, 186,922.71 and 65,419.26

Step by Step Solution

1. Step 1: Write the proportion equation
   124,548.72 : 186,922.71 = 65,419.26 : x
2. Step 2: Convert to fraction form
   124,548.72/186,922.71 = 65,419.26/x
3. Step 3: Cross multiply
   124,548.72x = 186,922.71 × 65,419.26
4. Step 4: Simplify right side
   124,548.72x = 12,228,345,365.39
5. Step 5: Solve for x
   x = 12,228,345,365.39/124,548.72
6. Step 6: Final answer
   x = 98,181.22