Finding the Fourth Proportional to 113,451.46, 156,611.48 and 80,766.98

Step by Step Solution

1. Step 1: Write the proportion equation
   113,451.46 : 156,611.48 = 80,766.98 : x
2. Step 2: Convert to fraction form
   113,451.46/156,611.48 = 80,766.98/x
3. Step 3: Cross multiply
   113,451.46x = 156,611.48 × 80,766.98
4. Step 4: Simplify right side
   113,451.46x = 12,649,035,673.33
5. Step 5: Solve for x
   x = 12,649,035,673.33/113,451.46
6. Step 6: Final answer
   x = 111,492.93