Finding the Fourth Proportional to 114,758.50, 158,381.58 and 64,457.50

Step by Step Solution

1. Step 1: Write the proportion equation
   114,758.50 : 158,381.58 = 64,457.50 : x
2. Step 2: Convert to fraction form
   114,758.50/158,381.58 = 64,457.50/x
3. Step 3: Cross multiply
   114,758.50x = 158,381.58 × 64,457.50
4. Step 4: Simplify right side
   114,758.50x = 10,208,880,692.85
5. Step 5: Solve for x
   x = 10,208,880,692.85/114,758.50
6. Step 6: Final answer
   x = 88,959.69