Finding the Fourth Proportional to 22,472,221.69, 31,008,340.65 and 13,647,083.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,472,221.69 : 31,008,340.65 = 13,647,083.50 : x
2. Step 2: Convert to fraction form
   22,472,221.69/31,008,340.65 = 13,647,083.50/x
3. Step 3: Cross multiply
   22,472,221.69x = 31,008,340.65 × 13,647,083.50
4. Step 4: Simplify right side
   22,472,221.69x = 423,173,414,046,994.25
5. Step 5: Solve for x
   x = 423,173,414,046,994.25/22,472,221.69
6. Step 6: Final answer
   x = 18,830,955.83