Finding the Fourth Proportional to 191,114.43, 263,716.50 and 114,636.66

Step by Step Solution

1. Step 1: Write the proportion equation
   191,114.43 : 263,716.50 = 114,636.66 : x
2. Step 2: Convert to fraction form
   191,114.43/263,716.50 = 114,636.66/x
3. Step 3: Cross multiply
   191,114.43x = 263,716.50 × 114,636.66
4. Step 4: Simplify right side
   191,114.43x = 30,231,578,746.89
5. Step 5: Solve for x
   x = 30,231,578,746.89/191,114.43
6. Step 6: Final answer
   x = 158,185.75