Finding the Fourth Proportional to 91,608, 126,404.27 and 57,592.39

Step by Step Solution

1. Step 1: Write the proportion equation
   91,608 : 126,404.27 = 57,592.39 : x
2. Step 2: Convert to fraction form
   91,608/126,404.27 = 57,592.39/x
3. Step 3: Cross multiply
   91,608x = 126,404.27 × 57,592.39
4. Step 4: Simplify right side
   91,608x = 7,279,923,843.48
5. Step 5: Solve for x
   x = 7,279,923,843.48/91,608
6. Step 6: Final answer
   x = 79,468.21