Finding the Fourth Proportional to 5,387,300.91, 7,434,633.16 and 2,940,069.30

Step by Step Solution

1. Step 1: Write the proportion equation
   5,387,300.91 : 7,434,633.16 = 2,940,069.30 : x
2. Step 2: Convert to fraction form
   5,387,300.91/7,434,633.16 = 2,940,069.30/x
3. Step 3: Cross multiply
   5,387,300.91x = 7,434,633.16 × 2,940,069.30
4. Step 4: Simplify right side
   5,387,300.91x = 21,858,336,734,295.09
5. Step 5: Solve for x
   x = 21,858,336,734,295.09/5,387,300.91
6. Step 6: Final answer
   x = 4,057,381.82