Finding the Fourth Proportional to 30,518, 42,111.29 and 17,773.97

Step by Step Solution

1. Step 1: Write the proportion equation
   30,518 : 42,111.29 = 17,773.97 : x
2. Step 2: Convert to fraction form
   30,518/42,111.29 = 17,773.97/x
3. Step 3: Cross multiply
   30,518x = 42,111.29 × 17,773.97
4. Step 4: Simplify right side
   30,518x = 748,484,805.12
5. Step 5: Solve for x
   x = 748,484,805.12/30,518
6. Step 6: Final answer
   x = 24,526.01