Finding the Fourth Proportional to 5,895.63, 8,131.80 and 5,005.30

Step by Step Solution

1. Step 1: Write the proportion equation
   5,895.63 : 8,131.80 = 5,005.30 : x
2. Step 2: Convert to fraction form
   5,895.63/8,131.80 = 5,005.30/x
3. Step 3: Cross multiply
   5,895.63x = 8,131.80 × 5,005.30
4. Step 4: Simplify right side
   5,895.63x = 40,702,098.54
5. Step 5: Solve for x
   x = 40,702,098.54/5,895.63
6. Step 6: Final answer
   x = 6,903.77