Finding the Fourth Proportional to 30,866,914.91, 42,593,272.31 and 17,818,377.60

Step by Step Solution

1. Step 1: Write the proportion equation
   30,866,914.91 : 42,593,272.31 = 17,818,377.60 : x
2. Step 2: Convert to fraction form
   30,866,914.91/42,593,272.31 = 17,818,377.60/x
3. Step 3: Cross multiply
   30,866,914.91x = 42,593,272.31 × 17,818,377.60
4. Step 4: Simplify right side
   30,866,914.91x = 758,943,009,150,112.38
5. Step 5: Solve for x
   x = 758,943,009,150,112.38/30,866,914.91
6. Step 6: Final answer
   x = 24,587,588.73