Finding the Fourth Proportional to 30,827.56, 42,541.86 and 17,398.12

Step by Step Solution

1. Step 1: Write the proportion equation
   30,827.56 : 42,541.86 = 17,398.12 : x
2. Step 2: Convert to fraction form
   30,827.56/42,541.86 = 17,398.12/x
3. Step 3: Cross multiply
   30,827.56x = 42,541.86 × 17,398.12
4. Step 4: Simplify right side
   30,827.56x = 740,148,385.30
5. Step 5: Solve for x
   x = 740,148,385.30/30,827.56
6. Step 6: Final answer
   x = 24,009.31