Finding the Fourth Proportional to 16,500,429.07, 22,770,420.60 and 9,158,326.22

Step by Step Solution

1. Step 1: Write the proportion equation
   16,500,429.07 : 22,770,420.60 = 9,158,326.22 : x
2. Step 2: Convert to fraction form
   16,500,429.07/22,770,420.60 = 9,158,326.22/x
3. Step 3: Cross multiply
   16,500,429.07x = 22,770,420.60 × 9,158,326.22
4. Step 4: Simplify right side
   16,500,429.07x = 208,538,940,112,677.94
5. Step 5: Solve for x
   x = 208,538,940,112,677.94/16,500,429.07
6. Step 6: Final answer
   x = 12,638,394.99