Finding the Fourth Proportional to 51,155.50, 70,563 and 29,920.54

Step by Step Solution

1. Step 1: Write the proportion equation
   51,155.50 : 70,563 = 29,920.54 : x
2. Step 2: Convert to fraction form
   51,155.50/70,563 = 29,920.54/x
3. Step 3: Cross multiply
   51,155.50x = 70,563 × 29,920.54
4. Step 4: Simplify right side
   51,155.50x = 2,111,283,064.02
5. Step 5: Solve for x
   x = 2,111,283,064.02/51,155.50
6. Step 6: Final answer
   x = 41,271.87