Finding the Fourth Proportional to 114,544.72, 158,071.56 and 64,243.28

Step by Step Solution

1. Step 1: Write the proportion equation
   114,544.72 : 158,071.56 = 64,243.28 : x
2. Step 2: Convert to fraction form
   114,544.72/158,071.56 = 64,243.28/x
3. Step 3: Cross multiply
   114,544.72x = 158,071.56 × 64,243.28
4. Step 4: Simplify right side
   114,544.72x = 10,155,035,489.12
5. Step 5: Solve for x
   x = 10,155,035,489.12/114,544.72
6. Step 6: Final answer
   x = 88,655.64