Finding the Fourth Proportional to 90,397.67, 124,748.78 and 50,111.33

Step by Step Solution

1. Step 1: Write the proportion equation
   90,397.67 : 124,748.78 = 50,111.33 : x
2. Step 2: Convert to fraction form
   90,397.67/124,748.78 = 50,111.33/x
3. Step 3: Cross multiply
   90,397.67x = 124,748.78 × 50,111.33
4. Step 4: Simplify right side
   90,397.67x = 6,251,326,407.38
5. Step 5: Solve for x
   x = 6,251,326,407.38/90,397.67
6. Step 6: Final answer
   x = 69,153.63