Finding the Fourth Proportional to 108,643.37, 149,934.77 and 60,896.72

Step by Step Solution

1. Step 1: Write the proportion equation
   108,643.37 : 149,934.77 = 60,896.72 : x
2. Step 2: Convert to fraction form
   108,643.37/149,934.77 = 60,896.72/x
3. Step 3: Cross multiply
   108,643.37x = 149,934.77 × 60,896.72
4. Step 4: Simplify right side
   108,643.37x = 9,130,536,234.03
5. Step 5: Solve for x
   x = 9,130,536,234.03/108,643.37
6. Step 6: Final answer
   x = 84,041.36