Finding the Fourth Proportional to 105,544.36, 145,632.74 and 60,823.72

Step by Step Solution

1. Step 1: Write the proportion equation
   105,544.36 : 145,632.74 = 60,823.72 : x
2. Step 2: Convert to fraction form
   105,544.36/145,632.74 = 60,823.72/x
3. Step 3: Cross multiply
   105,544.36x = 145,632.74 × 60,823.72
4. Step 4: Simplify right side
   105,544.36x = 8,857,925,000.59
5. Step 5: Solve for x
   x = 8,857,925,000.59/105,544.36
6. Step 6: Final answer
   x = 83,926.09