Finding the Fourth Proportional to 30,541.15, 42,151.24 and 17,113.32

Step by Step Solution

1. Step 1: Write the proportion equation
   30,541.15 : 42,151.24 = 17,113.32 : x
2. Step 2: Convert to fraction form
   30,541.15/42,151.24 = 17,113.32/x
3. Step 3: Cross multiply
   30,541.15x = 42,151.24 × 17,113.32
4. Step 4: Simplify right side
   30,541.15x = 721,347,679.91
5. Step 5: Solve for x
   x = 721,347,679.91/30,541.15
6. Step 6: Final answer
   x = 23,618.88