Finding the Fourth Proportional to 11,243.00, 16,868.15 and 5,400.07

Step by Step Solution

1. Step 1: Write the proportion equation
   11,243.00 : 16,868.15 = 5,400.07 : x
2. Step 2: Convert to fraction form
   11,243.00/16,868.15 = 5,400.07/x
3. Step 3: Cross multiply
   11,243.00x = 16,868.15 × 5,400.07
4. Step 4: Simplify right side
   11,243.00x = 91,089,141.85
5. Step 5: Solve for x
   x = 91,089,141.85/11,243.00
6. Step 6: Final answer
   x = 8,101.85