Finding the Fourth Proportional to 5,387,105.30, 7,434,362.31 and 2,939,873.97

Step by Step Solution

1. Step 1: Write the proportion equation
   5,387,105.30 : 7,434,362.31 = 2,939,873.97 : x
2. Step 2: Convert to fraction form
   5,387,105.30/7,434,362.31 = 2,939,873.97/x
3. Step 3: Cross multiply
   5,387,105.30x = 7,434,362.31 × 2,939,873.97
4. Step 4: Simplify right side
   5,387,105.30x = 21,856,088,224,018.70
5. Step 5: Solve for x
   x = 21,856,088,224,018.70/5,387,105.30
6. Step 6: Final answer
   x = 4,057,111.76