Finding the Fourth Proportional to 110,578.86, 152,497.59 and 81,969.80

Step by Step Solution

1. Step 1: Write the proportion equation
   110,578.86 : 152,497.59 = 81,969.80 : x
2. Step 2: Convert to fraction form
   110,578.86/152,497.59 = 81,969.80/x
3. Step 3: Cross multiply
   110,578.86x = 152,497.59 × 81,969.80
4. Step 4: Simplify right side
   110,578.86x = 12,500,196,190.29
5. Step 5: Solve for x
   x = 12,500,196,190.29/110,578.86
6. Step 6: Final answer
   x = 113,043.27