Finding the Fourth Proportional to 98,040, 146,826 and 56,399.52

Step by Step Solution

1. Step 1: Write the proportion equation
   98,040 : 146,826 = 56,399.52 : x
2. Step 2: Convert to fraction form
   98,040/146,826 = 56,399.52/x
3. Step 3: Cross multiply
   98,040x = 146,826 × 56,399.52
4. Step 4: Simplify right side
   98,040x = 8,280,915,923.52
5. Step 5: Solve for x
   x = 8,280,915,923.52/98,040
6. Step 6: Final answer
   x = 84,464.67