Finding the Fourth Proportional to 114,665.72, 158,230.02 and 64,355

Step by Step Solution

1. Step 1: Write the proportion equation
   114,665.72 : 158,230.02 = 64,355 : x
2. Step 2: Convert to fraction form
   114,665.72/158,230.02 = 64,355/x
3. Step 3: Cross multiply
   114,665.72x = 158,230.02 × 64,355
4. Step 4: Simplify right side
   114,665.72x = 10,182,892,937.10
5. Step 5: Solve for x
   x = 10,182,892,937.10/114,665.72
6. Step 6: Final answer
   x = 88,805.03