Finding the Fourth Proportional to 61,306, 91,422.52 and 60,745.48

Step by Step Solution

1. Step 1: Write the proportion equation
   61,306 : 91,422.52 = 60,745.48 : x
2. Step 2: Convert to fraction form
   61,306/91,422.52 = 60,745.48/x
3. Step 3: Cross multiply
   61,306x = 91,422.52 × 60,745.48
4. Step 4: Simplify right side
   61,306x = 5,553,504,860.21
5. Step 5: Solve for x
   x = 5,553,504,860.21/61,306
6. Step 6: Final answer
   x = 90,586.65