Finding the Fourth Proportional to 110,636.76, 152,690.58 and 67,641.48

Step by Step Solution

1. Step 1: Write the proportion equation
   110,636.76 : 152,690.58 = 67,641.48 : x
2. Step 2: Convert to fraction form
   110,636.76/152,690.58 = 67,641.48/x
3. Step 3: Cross multiply
   110,636.76x = 152,690.58 × 67,641.48
4. Step 4: Simplify right side
   110,636.76x = 10,328,216,813.26
5. Step 5: Solve for x
   x = 10,328,216,813.26/110,636.76
6. Step 6: Final answer
   x = 93,352.49