Finding the Fourth Proportional to 59,590.16, 89,396.72 and 20,153.68

Step by Step Solution

1. Step 1: Write the proportion equation
   59,590.16 : 89,396.72 = 20,153.68 : x
2. Step 2: Convert to fraction form
   59,590.16/89,396.72 = 20,153.68/x
3. Step 3: Cross multiply
   59,590.16x = 89,396.72 × 20,153.68
4. Step 4: Simplify right side
   59,590.16x = 1,801,672,887.93
5. Step 5: Solve for x
   x = 1,801,672,887.93/59,590.16
6. Step 6: Final answer
   x = 30,234.40