Finding the Fourth Proportional to 5,876.49, 8,091.59 and 5,406.29

Step by Step Solution

1. Step 1: Write the proportion equation
   5,876.49 : 8,091.59 = 5,406.29 : x
2. Step 2: Convert to fraction form
   5,876.49/8,091.59 = 5,406.29/x
3. Step 3: Cross multiply
   5,876.49x = 8,091.59 × 5,406.29
4. Step 4: Simplify right side
   5,876.49x = 43,745,482.10
5. Step 5: Solve for x
   x = 43,745,482.10/5,876.49
6. Step 6: Final answer
   x = 7,444.15