Finding the Fourth Proportional to 114,499.74, 158,007.60 and 64,198.74

Step by Step Solution

1. Step 1: Write the proportion equation
   114,499.74 : 158,007.60 = 64,198.74 : x
2. Step 2: Convert to fraction form
   114,499.74/158,007.60 = 64,198.74/x
3. Step 3: Cross multiply
   114,499.74x = 158,007.60 × 64,198.74
4. Step 4: Simplify right side
   114,499.74x = 10,143,888,830.42
5. Step 5: Solve for x
   x = 10,143,888,830.42/114,499.74
6. Step 6: Final answer
   x = 88,593.12