Finding the Fourth Proportional to 5,572,086.73, 8,358,131.91 and 3,678,385.30

Step by Step Solution

1. Step 1: Write the proportion equation
   5,572,086.73 : 8,358,131.91 = 3,678,385.30 : x
2. Step 2: Convert to fraction form
   5,572,086.73/8,358,131.91 = 3,678,385.30/x
3. Step 3: Cross multiply
   5,572,086.73x = 8,358,131.91 × 3,678,385.30
4. Step 4: Simplify right side
   5,572,086.73x = 30,744,429,546,103.54
5. Step 5: Solve for x
   x = 30,744,429,546,103.54/5,572,086.73
6. Step 6: Final answer
   x = 5,517,579.15