Finding the Fourth Proportional to 90,105.92, 124,349.69 and 59,839.05

Step by Step Solution

1. Step 1: Write the proportion equation
   90,105.92 : 124,349.69 = 59,839.05 : x
2. Step 2: Convert to fraction form
   90,105.92/124,349.69 = 59,839.05/x
3. Step 3: Cross multiply
   90,105.92x = 124,349.69 × 59,839.05
4. Step 4: Simplify right side
   90,105.92x = 7,440,967,466.99
5. Step 5: Solve for x
   x = 7,440,967,466.99/90,105.92
6. Step 6: Final answer
   x = 82,580.23