Finding the Fourth Proportional to 13,868.25, 19,138.18 and 7,494.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,868.25 : 19,138.18 = 7,494.82 : x
2. Step 2: Convert to fraction form
   13,868.25/19,138.18 = 7,494.82/x
3. Step 3: Cross multiply
   13,868.25x = 19,138.18 × 7,494.82
4. Step 4: Simplify right side
   13,868.25x = 143,437,236.60
5. Step 5: Solve for x
   x = 143,437,236.60/13,868.25
6. Step 6: Final answer
   x = 10,342.85