Finding the Fourth Proportional to 16,188,789.12, 22,341,802.50 and 9,219,761.34

Step by Step Solution

1. Step 1: Write the proportion equation
   16,188,789.12 : 22,341,802.50 = 9,219,761.34 : x
2. Step 2: Convert to fraction form
   16,188,789.12/22,341,802.50 = 9,219,761.34/x
3. Step 3: Cross multiply
   16,188,789.12x = 22,341,802.50 × 9,219,761.34
4. Step 4: Simplify right side
   16,188,789.12x = 205,986,086,955,415.34
5. Step 5: Solve for x
   x = 205,986,086,955,415.34/16,188,789.12
6. Step 6: Final answer
   x = 12,723,995.93