Finding the Fourth Proportional to 6,744,139.21, 10,119,530.34 and 3,149,383.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,744,139.21 : 10,119,530.34 = 3,149,383.72 : x
2. Step 2: Convert to fraction form
   6,744,139.21/10,119,530.34 = 3,149,383.72/x
3. Step 3: Cross multiply
   6,744,139.21x = 10,119,530.34 × 3,149,383.72
4. Step 4: Simplify right side
   6,744,139.21x = 31,870,284,106,842.07
5. Step 5: Solve for x
   x = 31,870,284,106,842.07/6,744,139.21
6. Step 6: Final answer
   x = 4,725,626.67