Finding the Fourth Proportional to 3,956,678.82, 5,899,461.39 and 3,618,876.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,956,678.82 : 5,899,461.39 = 3,618,876.42 : x
2. Step 2: Convert to fraction form
   3,956,678.82/5,899,461.39 = 3,618,876.42/x
3. Step 3: Cross multiply
   3,956,678.82x = 5,899,461.39 × 3,618,876.42
4. Step 4: Simplify right side
   3,956,678.82x = 21,349,421,714,971.42
5. Step 5: Solve for x
   x = 21,349,421,714,971.42/3,956,678.82
6. Step 6: Final answer
   x = 5,395,793.46