Finding the Fourth Proportional to 13,158,481.82, 18,158,830.71 and 7,726,064.54

Step by Step Solution

1. Step 1: Write the proportion equation
   13,158,481.82 : 18,158,830.71 = 7,726,064.54 : x
2. Step 2: Convert to fraction form
   13,158,481.82/18,158,830.71 = 7,726,064.54/x
3. Step 3: Cross multiply
   13,158,481.82x = 18,158,830.71 × 7,726,064.54
4. Step 4: Simplify right side
   13,158,481.82x = 140,296,298,036,394.03
5. Step 5: Solve for x
   x = 140,296,298,036,394.03/13,158,481.82
6. Step 6: Final answer
   x = 10,662,042.93