Finding the Fourth Proportional to 10,131.44, 13,981.40 and 5,655.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10,131.44 : 13,981.40 = 5,655.59 : x
2. Step 2: Convert to fraction form
   10,131.44/13,981.40 = 5,655.59/x
3. Step 3: Cross multiply
   10,131.44x = 13,981.40 × 5,655.59
4. Step 4: Simplify right side
   10,131.44x = 79,073,066.03
5. Step 5: Solve for x
   x = 79,073,066.03/10,131.44
6. Step 6: Final answer
   x = 7,804.72