Finding the Fourth Proportional to 10,131.48, 13,981.68 and 5,655.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,131.48 : 13,981.68 = 5,655.06 : x
2. Step 2: Convert to fraction form
   10,131.48/13,981.68 = 5,655.06/x
3. Step 3: Cross multiply
   10,131.48x = 13,981.68 × 5,655.06
4. Step 4: Simplify right side
   10,131.48x = 79,067,239.30
5. Step 5: Solve for x
   x = 79,067,239.30/10,131.48
6. Step 6: Final answer
   x = 7,804.12