Finding the Fourth Proportional to 6,780,273.91, 9,356,853.83 and 3,990,014.04

Step by Step Solution

1. Step 1: Write the proportion equation
   6,780,273.91 : 9,356,853.83 = 3,990,014.04 : x
2. Step 2: Convert to fraction form
   6,780,273.91/9,356,853.83 = 3,990,014.04/x
3. Step 3: Cross multiply
   6,780,273.91x = 9,356,853.83 × 3,990,014.04
4. Step 4: Simplify right side
   6,780,273.91x = 37,333,978,167,065.91
5. Step 5: Solve for x
   x = 37,333,978,167,065.91/6,780,273.91
6. Step 6: Final answer
   x = 5,506,264.00