Finding the Fourth Proportional to 5,345.82, 8,019.50 and 2,877.30

Step by Step Solution

1. Step 1: Write the proportion equation
   5,345.82 : 8,019.50 = 2,877.30 : x
2. Step 2: Convert to fraction form
   5,345.82/8,019.50 = 2,877.30/x
3. Step 3: Cross multiply
   5,345.82x = 8,019.50 × 2,877.30
4. Step 4: Simplify right side
   5,345.82x = 23,074,492.96
5. Step 5: Solve for x
   x = 23,074,492.96/5,345.82
6. Step 6: Final answer
   x = 4,316.36