Finding the Fourth Proportional to 114,540.81, 158,096.40 and 64,256.01

Step by Step Solution

1. Step 1: Write the proportion equation
   114,540.81 : 158,096.40 = 64,256.01 : x
2. Step 2: Convert to fraction form
   114,540.81/158,096.40 = 64,256.01/x
3. Step 3: Cross multiply
   114,540.81x = 158,096.40 × 64,256.01
4. Step 4: Simplify right side
   114,540.81x = 10,158,643,859.36
5. Step 5: Solve for x
   x = 10,158,643,859.36/114,540.81
6. Step 6: Final answer
   x = 88,690.17