Finding the Fourth Proportional to 61,608.42, 91,975.01 and 59,421.42

Step by Step Solution

1. Step 1: Write the proportion equation
   61,608.42 : 91,975.01 = 59,421.42 : x
2. Step 2: Convert to fraction form
   61,608.42/91,975.01 = 59,421.42/x
3. Step 3: Cross multiply
   61,608.42x = 91,975.01 × 59,421.42
4. Step 4: Simplify right side
   61,608.42x = 5,465,285,401.61
5. Step 5: Solve for x
   x = 5,465,285,401.61/61,608.42
6. Step 6: Final answer
   x = 88,710.04