Finding the Fourth Proportional to 5,561.91, 8,343.58 and 2,054.37

Step by Step Solution

1. Step 1: Write the proportion equation
   5,561.91 : 8,343.58 = 2,054.37 : x
2. Step 2: Convert to fraction form
   5,561.91/8,343.58 = 2,054.37/x
3. Step 3: Cross multiply
   5,561.91x = 8,343.58 × 2,054.37
4. Step 4: Simplify right side
   5,561.91x = 17,140,808.15
5. Step 5: Solve for x
   x = 17,140,808.15/5,561.91
6. Step 6: Final answer
   x = 3,081.82