Finding the Fourth Proportional to 72,515.18, 108,784.29 and 30,962.54

Step by Step Solution

1. Step 1: Write the proportion equation
   72,515.18 : 108,784.29 = 30,962.54 : x
2. Step 2: Convert to fraction form
   72,515.18/108,784.29 = 30,962.54/x
3. Step 3: Cross multiply
   72,515.18x = 108,784.29 × 30,962.54
4. Step 4: Simplify right side
   72,515.18x = 3,368,237,930.50
5. Step 5: Solve for x
   x = 3,368,237,930.50/72,515.18
6. Step 6: Final answer
   x = 46,448.73