Finding the Fourth Proportional to 114,575.50, 158,114.74 and 64,274.50

Step by Step Solution

1. Step 1: Write the proportion equation
   114,575.50 : 158,114.74 = 64,274.50 : x
2. Step 2: Convert to fraction form
   114,575.50/158,114.74 = 64,274.50/x
3. Step 3: Cross multiply
   114,575.50x = 158,114.74 × 64,274.50
4. Step 4: Simplify right side
   114,575.50x = 10,162,745,856.13
5. Step 5: Solve for x
   x = 10,162,745,856.13/114,575.50
6. Step 6: Final answer
   x = 88,699.12