Finding the Fourth Proportional to 72,325.31, 108,505.29 and 30,181.95

Step by Step Solution

1. Step 1: Write the proportion equation
   72,325.31 : 108,505.29 = 30,181.95 : x
2. Step 2: Convert to fraction form
   72,325.31/108,505.29 = 30,181.95/x
3. Step 3: Cross multiply
   72,325.31x = 108,505.29 × 30,181.95
4. Step 4: Simplify right side
   72,325.31x = 3,274,901,237.52
5. Step 5: Solve for x
   x = 3,274,901,237.52/72,325.31
6. Step 6: Final answer
   x = 45,280.15