Finding the Fourth Proportional to 16,499,939.76, 22,770,159.48 and 9,158,243.94

Step by Step Solution

1. Step 1: Write the proportion equation
   16,499,939.76 : 22,770,159.48 = 9,158,243.94 : x
2. Step 2: Convert to fraction form
   16,499,939.76/22,770,159.48 = 9,158,243.94/x
3. Step 3: Cross multiply
   16,499,939.76x = 22,770,159.48 × 9,158,243.94
4. Step 4: Simplify right side
   16,499,939.76x = 208,534,675,070,543.53
5. Step 5: Solve for x
   x = 208,534,675,070,543.53/16,499,939.76
6. Step 6: Final answer
   x = 12,638,511.30