Finding the Fourth Proportional to 114,544.86, 158,073.75 and 64,242.78

Step by Step Solution

1. Step 1: Write the proportion equation
   114,544.86 : 158,073.75 = 64,242.78 : x
2. Step 2: Convert to fraction form
   114,544.86/158,073.75 = 64,242.78/x
3. Step 3: Cross multiply
   114,544.86x = 158,073.75 × 64,242.78
4. Step 4: Simplify right side
   114,544.86x = 10,155,097,145.03
5. Step 5: Solve for x
   x = 10,155,097,145.03/114,544.86
6. Step 6: Final answer
   x = 88,656.07