Finding the Fourth Proportional to 30,684.01, 42,345.47 and 17,259.49

Step by Step Solution

1. Step 1: Write the proportion equation
   30,684.01 : 42,345.47 = 17,259.49 : x
2. Step 2: Convert to fraction form
   30,684.01/42,345.47 = 17,259.49/x
3. Step 3: Cross multiply
   30,684.01x = 42,345.47 × 17,259.49
4. Step 4: Simplify right side
   30,684.01x = 730,861,129.71
5. Step 5: Solve for x
   x = 730,861,129.71/30,684.01
6. Step 6: Final answer
   x = 23,818.96