Finding the Fourth Proportional to 10,112.00, 13,955.09 and 5,636.21

Step by Step Solution

1. Step 1: Write the proportion equation
   10,112.00 : 13,955.09 = 5,636.21 : x
2. Step 2: Convert to fraction form
   10,112.00/13,955.09 = 5,636.21/x
3. Step 3: Cross multiply
   10,112.00x = 13,955.09 × 5,636.21
4. Step 4: Simplify right side
   10,112.00x = 78,653,719.85
5. Step 5: Solve for x
   x = 78,653,719.85/10,112.00
6. Step 6: Final answer
   x = 7,778.26