Finding the Fourth Proportional to 5,404,404.20, 7,458,022.50 and 2,989,973.48

Step by Step Solution

1. Step 1: Write the proportion equation
   5,404,404.20 : 7,458,022.50 = 2,989,973.48 : x
2. Step 2: Convert to fraction form
   5,404,404.20/7,458,022.50 = 2,989,973.48/x
3. Step 3: Cross multiply
   5,404,404.20x = 7,458,022.50 × 2,989,973.48
4. Step 4: Simplify right side
   5,404,404.20x = 22,299,289,488,243.30
5. Step 5: Solve for x
   x = 22,299,289,488,243.30/5,404,404.20
6. Step 6: Final answer
   x = 4,126,132.81