Finding the Fourth Proportional to 59,139.56, 88,709.38 and 17,586.56

Step by Step Solution

1. Step 1: Write the proportion equation
   59,139.56 : 88,709.38 = 17,586.56 : x
2. Step 2: Convert to fraction form
   59,139.56/88,709.38 = 17,586.56/x
3. Step 3: Cross multiply
   59,139.56x = 88,709.38 × 17,586.56
4. Step 4: Simplify right side
   59,139.56x = 1,560,093,011.74
5. Step 5: Solve for x
   x = 1,560,093,011.74/59,139.56
6. Step 6: Final answer
   x = 26,379.85