Finding the Fourth Proportional to 110,216.91, 152,133.71 and 64,891.29

Step by Step Solution

1. Step 1: Write the proportion equation
   110,216.91 : 152,133.71 = 64,891.29 : x
2. Step 2: Convert to fraction form
   110,216.91/152,133.71 = 64,891.29/x
3. Step 3: Cross multiply
   110,216.91x = 152,133.71 × 64,891.29
4. Step 4: Simplify right side
   110,216.91x = 9,872,152,369.93
5. Step 5: Solve for x
   x = 9,872,152,369.93/110,216.91
6. Step 6: Final answer
   x = 89,570.22