Finding the Fourth Proportional to 111,073.50, 153,281.43 and 60,772.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,073.50 : 153,281.43 = 60,772.50 : x
2. Step 2: Convert to fraction form
   111,073.50/153,281.43 = 60,772.50/x
3. Step 3: Cross multiply
   111,073.50x = 153,281.43 × 60,772.50
4. Step 4: Simplify right side
   111,073.50x = 9,315,295,704.68
5. Step 5: Solve for x
   x = 9,315,295,704.68/111,073.50
6. Step 6: Final answer
   x = 83,866.05