Finding the Fourth Proportional to 105,788.52, 145,984.14 and 60,464.16

Step by Step Solution

1. Step 1: Write the proportion equation
   105,788.52 : 145,984.14 = 60,464.16 : x
2. Step 2: Convert to fraction form
   105,788.52/145,984.14 = 60,464.16/x
3. Step 3: Cross multiply
   105,788.52x = 145,984.14 × 60,464.16
4. Step 4: Simplify right side
   105,788.52x = 8,826,808,398.42
5. Step 5: Solve for x
   x = 8,826,808,398.42/105,788.52
6. Step 6: Final answer
   x = 83,438.24