Finding the Fourth Proportional to 89,680.99, 134,529.22 and 23,120.55

Step by Step Solution

1. Step 1: Write the proportion equation
   89,680.99 : 134,529.22 = 23,120.55 : x
2. Step 2: Convert to fraction form
   89,680.99/134,529.22 = 23,120.55/x
3. Step 3: Cross multiply
   89,680.99x = 134,529.22 × 23,120.55
4. Step 4: Simplify right side
   89,680.99x = 3,110,389,775.55
5. Step 5: Solve for x
   x = 3,110,389,775.55/89,680.99
6. Step 6: Final answer
   x = 34,682.82