Finding the Fourth Proportional to 30,541.32, 42,146.48 and 17,112.53

Step by Step Solution

1. Step 1: Write the proportion equation
   30,541.32 : 42,146.48 = 17,112.53 : x
2. Step 2: Convert to fraction form
   30,541.32/42,146.48 = 17,112.53/x
3. Step 3: Cross multiply
   30,541.32x = 42,146.48 × 17,112.53
4. Step 4: Simplify right side
   30,541.32x = 721,233,051.54
5. Step 5: Solve for x
   x = 721,233,051.54/30,541.32
6. Step 6: Final answer
   x = 23,614.99