Finding the Fourth Proportional to 114,817.50, 158,448.96 and 64,516.50

Step by Step Solution

1. Step 1: Write the proportion equation
   114,817.50 : 158,448.96 = 64,516.50 : x
2. Step 2: Convert to fraction form
   114,817.50/158,448.96 = 64,516.50/x
3. Step 3: Cross multiply
   114,817.50x = 158,448.96 × 64,516.50
4. Step 4: Simplify right side
   114,817.50x = 10,222,572,327.84
5. Step 5: Solve for x
   x = 10,222,572,327.84/114,817.50
6. Step 6: Final answer
   x = 89,033.23