Finding the Fourth Proportional to 30,866,955.67, 42,593,328.34 and 17,818,418.31

Step by Step Solution

1. Step 1: Write the proportion equation
   30,866,955.67 : 42,593,328.34 = 17,818,418.31 : x
2. Step 2: Convert to fraction form
   30,866,955.67/42,593,328.34 = 17,818,418.31/x
3. Step 3: Cross multiply
   30,866,955.67x = 42,593,328.34 × 17,818,418.31
4. Step 4: Simplify right side
   30,866,955.67x = 758,945,741,577,297.88
5. Step 5: Solve for x
   x = 758,945,741,577,297.88/30,866,955.67
6. Step 6: Final answer
   x = 24,587,644.78