Finding the Fourth Proportional to 93,104.82, 139,024.76 and 90,582.54

Step by Step Solution

1. Step 1: Write the proportion equation
   93,104.82 : 139,024.76 = 90,582.54 : x
2. Step 2: Convert to fraction form
   93,104.82/139,024.76 = 90,582.54/x
3. Step 3: Cross multiply
   93,104.82x = 139,024.76 × 90,582.54
4. Step 4: Simplify right side
   93,104.82x = 12,593,215,430.78
5. Step 5: Solve for x
   x = 12,593,215,430.78/93,104.82
6. Step 6: Final answer
   x = 135,258.47