Finding the Fourth Proportional to 5,555,749.43, 8,375,265.59 and 5,185,401.47

Step by Step Solution

1. Step 1: Write the proportion equation
   5,555,749.43 : 8,375,265.59 = 5,185,401.47 : x
2. Step 2: Convert to fraction form
   5,555,749.43/8,375,265.59 = 5,185,401.47/x
3. Step 3: Cross multiply
   5,555,749.43x = 8,375,265.59 × 5,185,401.47
4. Step 4: Simplify right side
   5,555,749.43x = 43,429,114,434,223.08
5. Step 5: Solve for x
   x = 43,429,114,434,223.08/5,555,749.43
6. Step 6: Final answer
   x = 7,816,967.81