Finding the Fourth Proportional to 7,181,105.82, 9,906,588.63 and 4,278,869.34

Step by Step Solution

1. Step 1: Write the proportion equation
   7,181,105.82 : 9,906,588.63 = 4,278,869.34 : x
2. Step 2: Convert to fraction form
   7,181,105.82/9,906,588.63 = 4,278,869.34/x
3. Step 3: Cross multiply
   7,181,105.82x = 9,906,588.63 × 4,278,869.34
4. Step 4: Simplify right side
   7,181,105.82x = 42,388,998,352,899.61
5. Step 5: Solve for x
   x = 42,388,998,352,899.61/7,181,105.82
6. Step 6: Final answer
   x = 5,902,851.10