Finding the Fourth Proportional to 55,255.50, 82,889.37 and 19,725.10

Step by Step Solution

1. Step 1: Write the proportion equation
   55,255.50 : 82,889.37 = 19,725.10 : x
2. Step 2: Convert to fraction form
   55,255.50/82,889.37 = 19,725.10/x
3. Step 3: Cross multiply
   55,255.50x = 82,889.37 × 19,725.10
4. Step 4: Simplify right side
   55,255.50x = 1,635,000,904.96
5. Step 5: Solve for x
   x = 1,635,000,904.96/55,255.50
6. Step 6: Final answer
   x = 29,589.83