Finding the Fourth Proportional to 90,066.84, 124,227.77 and 63,215.34

Step by Step Solution

1. Step 1: Write the proportion equation
   90,066.84 : 124,227.77 = 63,215.34 : x
2. Step 2: Convert to fraction form
   90,066.84/124,227.77 = 63,215.34/x
3. Step 3: Cross multiply
   90,066.84x = 124,227.77 × 63,215.34
4. Step 4: Simplify right side
   90,066.84x = 7,853,100,096.85
5. Step 5: Solve for x
   x = 7,853,100,096.85/90,066.84
6. Step 6: Final answer
   x = 87,191.92