Finding the Fourth Proportional to 6,915,838.55, 10,366,759.42 and 4,074,488.15

Step by Step Solution

1. Step 1: Write the proportion equation
   6,915,838.55 : 10,366,759.42 = 4,074,488.15 : x
2. Step 2: Convert to fraction form
   6,915,838.55/10,366,759.42 = 4,074,488.15/x
3. Step 3: Cross multiply
   6,915,838.55x = 10,366,759.42 × 4,074,488.15
4. Step 4: Simplify right side
   6,915,838.55x = 42,239,238,410,690.88
5. Step 5: Solve for x
   x = 42,239,238,410,690.88/6,915,838.55
6. Step 6: Final answer
   x = 6,107,609.09