Finding the Fourth Proportional to 39,315.50, 54,253.52 and 22,317.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,315.50 : 54,253.52 = 22,317.50 : x
2. Step 2: Convert to fraction form
   39,315.50/54,253.52 = 22,317.50/x
3. Step 3: Cross multiply
   39,315.50x = 54,253.52 × 22,317.50
4. Step 4: Simplify right side
   39,315.50x = 1,210,802,549.74
5. Step 5: Solve for x
   x = 1,210,802,549.74/39,315.50
6. Step 6: Final answer
   x = 30,797.08