Finding the Fourth Proportional to 6,779,287.02, 9,355,598.79 and 3,988,605.06

Step by Step Solution

1. Step 1: Write the proportion equation
   6,779,287.02 : 9,355,598.79 = 3,988,605.06 : x
2. Step 2: Convert to fraction form
   6,779,287.02/9,355,598.79 = 3,988,605.06/x
3. Step 3: Cross multiply
   6,779,287.02x = 9,355,598.79 × 3,988,605.06
4. Step 4: Simplify right side
   6,779,287.02x = 37,315,788,673,123.88
5. Step 5: Solve for x
   x = 37,315,788,673,123.88/6,779,287.02
6. Step 6: Final answer
   x = 5,504,382.48