Finding the Fourth Proportional to 10,131.84, 13,980.96 and 5,655.24

Step by Step Solution

1. Step 1: Write the proportion equation
   10,131.84 : 13,980.96 = 5,655.24 : x
2. Step 2: Convert to fraction form
   10,131.84/13,980.96 = 5,655.24/x
3. Step 3: Cross multiply
   10,131.84x = 13,980.96 × 5,655.24
4. Step 4: Simplify right side
   10,131.84x = 79,065,684.23
5. Step 5: Solve for x
   x = 79,065,684.23/10,131.84
6. Step 6: Final answer
   x = 7,803.68