Finding the Fourth Proportional to 114,933.36, 158,607 and 64,631.28

Step by Step Solution

1. Step 1: Write the proportion equation
   114,933.36 : 158,607 = 64,631.28 : x
2. Step 2: Convert to fraction form
   114,933.36/158,607 = 64,631.28/x
3. Step 3: Cross multiply
   114,933.36x = 158,607 × 64,631.28
4. Step 4: Simplify right side
   114,933.36x = 10,250,973,426.96
5. Step 5: Solve for x
   x = 10,250,973,426.96/114,933.36
6. Step 6: Final answer
   x = 89,190.58