Finding the Fourth Proportional to 60,682.91, 91,013.42 and 43,081.20

Step by Step Solution

1. Step 1: Write the proportion equation
   60,682.91 : 91,013.42 = 43,081.20 : x
2. Step 2: Convert to fraction form
   60,682.91/91,013.42 = 43,081.20/x
3. Step 3: Cross multiply
   60,682.91x = 91,013.42 × 43,081.20
4. Step 4: Simplify right side
   60,682.91x = 3,920,967,457.41
5. Step 5: Solve for x
   x = 3,920,967,457.41/60,682.91
6. Step 6: Final answer
   x = 64,614.04