Finding the Fourth Proportional to 7,530,978.80, 10,392,855.96 and 4,093,218.80

Step by Step Solution

1. Step 1: Write the proportion equation
   7,530,978.80 : 10,392,855.96 = 4,093,218.80 : x
2. Step 2: Convert to fraction form
   7,530,978.80/10,392,855.96 = 4,093,218.80/x
3. Step 3: Cross multiply
   7,530,978.80x = 10,392,855.96 × 4,093,218.80
4. Step 4: Simplify right side
   7,530,978.80x = 42,540,233,401,164.05
5. Step 5: Solve for x
   x = 42,540,233,401,164.05/7,530,978.80
6. Step 6: Final answer
   x = 5,648,699.13