Finding the Fourth Proportional to 114,605.82, 158,137.56 and 66,200.06

Step by Step Solution

1. Step 1: Write the proportion equation
   114,605.82 : 158,137.56 = 66,200.06 : x
2. Step 2: Convert to fraction form
   114,605.82/158,137.56 = 66,200.06/x
3. Step 3: Cross multiply
   114,605.82x = 158,137.56 × 66,200.06
4. Step 4: Simplify right side
   114,605.82x = 10,468,716,355.60
5. Step 5: Solve for x
   x = 10,468,716,355.60/114,605.82
6. Step 6: Final answer
   x = 91,345.42