Finding the Fourth Proportional to 10,158.86, 14,018.57 and 5,681.84

Step by Step Solution

1. Step 1: Write the proportion equation
   10,158.86 : 14,018.57 = 5,681.84 : x
2. Step 2: Convert to fraction form
   10,158.86/14,018.57 = 5,681.84/x
3. Step 3: Cross multiply
   10,158.86x = 14,018.57 × 5,681.84
4. Step 4: Simplify right side
   10,158.86x = 79,651,222.52
5. Step 5: Solve for x
   x = 79,651,222.52/10,158.86
6. Step 6: Final answer
   x = 7,840.57