Finding the Fourth Proportional to 8,719.93, 12,031.50 and 5,892.58

Step by Step Solution

1. Step 1: Write the proportion equation
   8,719.93 : 12,031.50 = 5,892.58 : x
2. Step 2: Convert to fraction form
   8,719.93/12,031.50 = 5,892.58/x
3. Step 3: Cross multiply
   8,719.93x = 12,031.50 × 5,892.58
4. Step 4: Simplify right side
   8,719.93x = 70,896,576.27
5. Step 5: Solve for x
   x = 70,896,576.27/8,719.93
6. Step 6: Final answer
   x = 8,130.41