Finding the Fourth Proportional to 10,158.41, 14,018.47 and 5,911.99

Step by Step Solution

1. Step 1: Write the proportion equation
   10,158.41 : 14,018.47 = 5,911.99 : x
2. Step 2: Convert to fraction form
   10,158.41/14,018.47 = 5,911.99/x
3. Step 3: Cross multiply
   10,158.41x = 14,018.47 × 5,911.99
4. Step 4: Simplify right side
   10,158.41x = 82,877,004.63
5. Step 5: Solve for x
   x = 82,877,004.63/10,158.41
6. Step 6: Final answer
   x = 8,158.46