Finding the Fourth Proportional to 8,367,978.30, 12,546,062.55 and 3,821,205.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,367,978.30 : 12,546,062.55 = 3,821,205.30 : x
2. Step 2: Convert to fraction form
   8,367,978.30/12,546,062.55 = 3,821,205.30/x
3. Step 3: Cross multiply
   8,367,978.30x = 12,546,062.55 × 3,821,205.30
4. Step 4: Simplify right side
   8,367,978.30x = 47,941,080,710,191.52
5. Step 5: Solve for x
   x = 47,941,080,710,191.52/8,367,978.30
6. Step 6: Final answer
   x = 5,729,111.50