Finding the Fourth Proportional to 105,527.43, 145,598.99 and 67,823.55

Step by Step Solution

1. Step 1: Write the proportion equation
   105,527.43 : 145,598.99 = 67,823.55 : x
2. Step 2: Convert to fraction form
   105,527.43/145,598.99 = 67,823.55/x
3. Step 3: Cross multiply
   105,527.43x = 145,598.99 × 67,823.55
4. Step 4: Simplify right side
   105,527.43x = 9,875,040,039.10
5. Step 5: Solve for x
   x = 9,875,040,039.10/105,527.43
6. Step 6: Final answer
   x = 93,577.94