Finding the Fourth Proportional to 114,997.05, 158,560.11 and 78,715.98

Step by Step Solution

1. Step 1: Write the proportion equation
   114,997.05 : 158,560.11 = 78,715.98 : x
2. Step 2: Convert to fraction form
   114,997.05/158,560.11 = 78,715.98/x
3. Step 3: Cross multiply
   114,997.05x = 158,560.11 × 78,715.98
4. Step 4: Simplify right side
   114,997.05x = 12,481,214,447.56
5. Step 5: Solve for x
   x = 12,481,214,447.56/114,997.05
6. Step 6: Final answer
   x = 108,535.08