Finding the Fourth Proportional to 42,826.11, 64,257.59 and 23,081.55

Step by Step Solution

1. Step 1: Write the proportion equation
   42,826.11 : 64,257.59 = 23,081.55 : x
2. Step 2: Convert to fraction form
   42,826.11/64,257.59 = 23,081.55/x
3. Step 3: Cross multiply
   42,826.11x = 64,257.59 × 23,081.55
4. Step 4: Simplify right side
   42,826.11x = 1,483,164,776.46
5. Step 5: Solve for x
   x = 1,483,164,776.46/42,826.11
6. Step 6: Final answer
   x = 34,632.26