Finding the Fourth Proportional to 10,131.77, 13,981.61 and 5,655.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,131.77 : 13,981.61 = 5,655.94 : x
2. Step 2: Convert to fraction form
   10,131.77/13,981.61 = 5,655.94/x
3. Step 3: Cross multiply
   10,131.77x = 13,981.61 × 5,655.94
4. Step 4: Simplify right side
   10,131.77x = 79,079,126.45
5. Step 5: Solve for x
   x = 79,079,126.45/10,131.77
6. Step 6: Final answer
   x = 7,805.06