Finding the Fourth Proportional to 30,470.30, 42,047.73 and 17,723.51

Step by Step Solution

1. Step 1: Write the proportion equation
   30,470.30 : 42,047.73 = 17,723.51 : x
2. Step 2: Convert to fraction form
   30,470.30/42,047.73 = 17,723.51/x
3. Step 3: Cross multiply
   30,470.30x = 42,047.73 × 17,723.51
4. Step 4: Simplify right side
   30,470.30x = 745,233,360.42
5. Step 5: Solve for x
   x = 745,233,360.42/30,470.30
6. Step 6: Final answer
   x = 24,457.70