Finding the Fourth Proportional to 5,801.05, 8,010.79 and 5,490.32

Step by Step Solution

1. Step 1: Write the proportion equation
   5,801.05 : 8,010.79 = 5,490.32 : x
2. Step 2: Convert to fraction form
   5,801.05/8,010.79 = 5,490.32/x
3. Step 3: Cross multiply
   5,801.05x = 8,010.79 × 5,490.32
4. Step 4: Simplify right side
   5,801.05x = 43,981,746.77
5. Step 5: Solve for x
   x = 43,981,746.77/5,801.05
6. Step 6: Final answer
   x = 7,581.69