Finding the Fourth Proportional to 5,915,385.57, 8,163,185.83 and 3,199,131.57

Step by Step Solution

1. Step 1: Write the proportion equation
   5,915,385.57 : 8,163,185.83 = 3,199,131.57 : x
2. Step 2: Convert to fraction form
   5,915,385.57/8,163,185.83 = 3,199,131.57/x
3. Step 3: Cross multiply
   5,915,385.57x = 8,163,185.83 × 3,199,131.57
4. Step 4: Simplify right side
   5,915,385.57x = 26,115,105,500,529.65
5. Step 5: Solve for x
   x = 26,115,105,500,529.65/5,915,385.57
6. Step 6: Final answer
   x = 4,414,776.55