Finding the Fourth Proportional to 10,156.86, 14,017.15 and 5,681.03

Step by Step Solution

1. Step 1: Write the proportion equation
   10,156.86 : 14,017.15 = 5,681.03 : x
2. Step 2: Convert to fraction form
   10,156.86/14,017.15 = 5,681.03/x
3. Step 3: Cross multiply
   10,156.86x = 14,017.15 × 5,681.03
4. Step 4: Simplify right side
   10,156.86x = 79,631,786.68
5. Step 5: Solve for x
   x = 79,631,786.68/10,156.86
6. Step 6: Final answer
   x = 7,840.20