Finding the Fourth Proportional to 13,293,399.20, 19,942,223.82 and 5,617,116.68

Step by Step Solution

1. Step 1: Write the proportion equation
   13,293,399.20 : 19,942,223.82 = 5,617,116.68 : x
2. Step 2: Convert to fraction form
   13,293,399.20/19,942,223.82 = 5,617,116.68/x
3. Step 3: Cross multiply
   13,293,399.20x = 19,942,223.82 × 5,617,116.68
4. Step 4: Simplify right side
   13,293,399.20x = 112,017,798,055,615.31
5. Step 5: Solve for x
   x = 112,017,798,055,615.31/13,293,399.20
6. Step 6: Final answer
   x = 8,426,572.95