Finding the Fourth Proportional to 114,405.86, 157,786.48 and 80,526.50

Step by Step Solution

1. Step 1: Write the proportion equation
   114,405.86 : 157,786.48 = 80,526.50 : x
2. Step 2: Convert to fraction form
   114,405.86/157,786.48 = 80,526.50/x
3. Step 3: Cross multiply
   114,405.86x = 157,786.48 × 80,526.50
4. Step 4: Simplify right side
   114,405.86x = 12,705,992,981.72
5. Step 5: Solve for x
   x = 12,705,992,981.72/114,405.86
6. Step 6: Final answer
   x = 111,060.68