Finding the Fourth Proportional to 9,263.94, 13,889.72 and 5,105.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,263.94 : 13,889.72 = 5,105.94 : x
2. Step 2: Convert to fraction form
   9,263.94/13,889.72 = 5,105.94/x
3. Step 3: Cross multiply
   9,263.94x = 13,889.72 × 5,105.94
4. Step 4: Simplify right side
   9,263.94x = 70,920,076.94
5. Step 5: Solve for x
   x = 70,920,076.94/9,263.94
6. Step 6: Final answer
   x = 7,655.50