Finding the Fourth Proportional to 90,362.51, 124,659.37 and 54,541.07

Step by Step Solution

1. Step 1: Write the proportion equation
   90,362.51 : 124,659.37 = 54,541.07 : x
2. Step 2: Convert to fraction form
   90,362.51/124,659.37 = 54,541.07/x
3. Step 3: Cross multiply
   90,362.51x = 124,659.37 × 54,541.07
4. Step 4: Simplify right side
   90,362.51x = 6,799,055,425.33
5. Step 5: Solve for x
   x = 6,799,055,425.33/90,362.51
6. Step 6: Final answer
   x = 75,241.99