Finding the Fourth Proportional to 7,006,870.27, 9,669,467.61 and 3,909,209.32

Step by Step Solution

1. Step 1: Write the proportion equation
   7,006,870.27 : 9,669,467.61 = 3,909,209.32 : x
2. Step 2: Convert to fraction form
   7,006,870.27/9,669,467.61 = 3,909,209.32/x
3. Step 3: Cross multiply
   7,006,870.27x = 9,669,467.61 × 3,909,209.32
4. Step 4: Simplify right side
   7,006,870.27x = 37,799,972,900,450.12
5. Step 5: Solve for x
   x = 37,799,972,900,450.12/7,006,870.27
6. Step 6: Final answer
   x = 5,394,701.41