Finding the Fourth Proportional to 5,387,105.60, 7,434,362.73 and 2,939,874.28

Step by Step Solution

1. Step 1: Write the proportion equation
   5,387,105.60 : 7,434,362.73 = 2,939,874.28 : x
2. Step 2: Convert to fraction form
   5,387,105.60/7,434,362.73 = 2,939,874.28/x
3. Step 3: Cross multiply
   5,387,105.60x = 7,434,362.73 × 2,939,874.28
4. Step 4: Simplify right side
   5,387,105.60x = 21,856,091,793,651.90
5. Step 5: Solve for x
   x = 21,856,091,793,651.90/5,387,105.60
6. Step 6: Final answer
   x = 4,057,112.19