Finding the Fourth Proportional to 172,152.33, 258,228.69 and 53,824.29

Step by Step Solution

1. Step 1: Write the proportion equation
   172,152.33 : 258,228.69 = 53,824.29 : x
2. Step 2: Convert to fraction form
   172,152.33/258,228.69 = 53,824.29/x
3. Step 3: Cross multiply
   172,152.33x = 258,228.69 × 53,824.29
4. Step 4: Simplify right side
   172,152.33x = 13,898,975,896.88
5. Step 5: Solve for x
   x = 13,898,975,896.88/172,152.33
6. Step 6: Final answer
   x = 80,736.50