Finding the Fourth Proportional to 59,039.20, 88,182.53 and 53,408.21

Step by Step Solution

1. Step 1: Write the proportion equation
   59,039.20 : 88,182.53 = 53,408.21 : x
2. Step 2: Convert to fraction form
   59,039.20/88,182.53 = 53,408.21/x
3. Step 3: Cross multiply
   59,039.20x = 88,182.53 × 53,408.21
4. Step 4: Simplify right side
   59,039.20x = 4,709,670,772.45
5. Step 5: Solve for x
   x = 4,709,670,772.45/59,039.20
6. Step 6: Final answer
   x = 79,771.93