Finding the Fourth Proportional to 110,288.43, 152,211.56 and 64,964.07

Step by Step Solution

1. Step 1: Write the proportion equation
   110,288.43 : 152,211.56 = 64,964.07 : x
2. Step 2: Convert to fraction form
   110,288.43/152,211.56 = 64,964.07/x
3. Step 3: Cross multiply
   110,288.43x = 152,211.56 × 64,964.07
4. Step 4: Simplify right side
   110,288.43x = 9,888,282,113.83
5. Step 5: Solve for x
   x = 9,888,282,113.83/110,288.43
6. Step 6: Final answer
   x = 89,658.38