Finding the Fourth Proportional to 5,108,286.87, 7,042,111.25 and 4,018,665.96

Step by Step Solution

1. Step 1: Write the proportion equation
   5,108,286.87 : 7,042,111.25 = 4,018,665.96 : x
2. Step 2: Convert to fraction form
   5,108,286.87/7,042,111.25 = 4,018,665.96/x
3. Step 3: Cross multiply
   5,108,286.87x = 7,042,111.25 × 4,018,665.96
4. Step 4: Simplify right side
   5,108,286.87x = 28,299,892,746,814.72
5. Step 5: Solve for x
   x = 28,299,892,746,814.72/5,108,286.87
6. Step 6: Final answer
   x = 5,539,996.77