Finding the Fourth Proportional to 6,779,978.19, 9,352,461.20 and 4,062,149.55

Step by Step Solution

1. Step 1: Write the proportion equation
   6,779,978.19 : 9,352,461.20 = 4,062,149.55 : x
2. Step 2: Convert to fraction form
   6,779,978.19/9,352,461.20 = 4,062,149.55/x
3. Step 3: Cross multiply
   6,779,978.19x = 9,352,461.20 × 4,062,149.55
4. Step 4: Simplify right side
   6,779,978.19x = 37,991,096,034,661.71
5. Step 5: Solve for x
   x = 37,991,096,034,661.71/6,779,978.19
6. Step 6: Final answer
   x = 5,603,424.52