Finding the Fourth Proportional to 114,756.50, 158,378.82 and 64,455.50

Step by Step Solution

1. Step 1: Write the proportion equation
   114,756.50 : 158,378.82 = 64,455.50 : x
2. Step 2: Convert to fraction form
   114,756.50/158,378.82 = 64,455.50/x
3. Step 3: Cross multiply
   114,756.50x = 158,378.82 × 64,455.50
4. Step 4: Simplify right side
   114,756.50x = 10,208,386,032.51
5. Step 5: Solve for x
   x = 10,208,386,032.51/114,756.50
6. Step 6: Final answer
   x = 88,956.93