Finding the Fourth Proportional to 64,730.53, 89,355.77 and 43,522.10

Step by Step Solution

1. Step 1: Write the proportion equation
   64,730.53 : 89,355.77 = 43,522.10 : x
2. Step 2: Convert to fraction form
   64,730.53/89,355.77 = 43,522.10/x
3. Step 3: Cross multiply
   64,730.53x = 89,355.77 × 43,522.10
4. Step 4: Simplify right side
   64,730.53x = 3,888,950,757.52
5. Step 5: Solve for x
   x = 3,888,950,757.52/64,730.53
6. Step 6: Final answer
   x = 60,079.08