Finding the Fourth Proportional to 114,956.56, 158,638.53 and 64,655.56

Step by Step Solution

1. Step 1: Write the proportion equation
   114,956.56 : 158,638.53 = 64,655.56 : x
2. Step 2: Convert to fraction form
   114,956.56/158,638.53 = 64,655.56/x
3. Step 3: Cross multiply
   114,956.56x = 158,638.53 × 64,655.56
4. Step 4: Simplify right side
   114,956.56x = 10,256,862,671.45
5. Step 5: Solve for x
   x = 10,256,862,671.45/114,956.56
6. Step 6: Final answer
   x = 89,223.81