Finding the Fourth Proportional to 7,003,380.12, 9,664,681.71 and 3,906,104.09

Step by Step Solution

1. Step 1: Write the proportion equation
   7,003,380.12 : 9,664,681.71 = 3,906,104.09 : x
2. Step 2: Convert to fraction form
   7,003,380.12/9,664,681.71 = 3,906,104.09/x
3. Step 3: Cross multiply
   7,003,380.12x = 9,664,681.71 × 3,906,104.09
4. Step 4: Simplify right side
   7,003,380.12x = 37,751,252,736,448.67
5. Step 5: Solve for x
   x = 37,751,252,736,448.67/7,003,380.12
6. Step 6: Final answer
   x = 5,390,433.21