Finding the Fourth Proportional to 13,918.77, 19,208.88 and 7,951.32

Step by Step Solution

1. Step 1: Write the proportion equation
   13,918.77 : 19,208.88 = 7,951.32 : x
2. Step 2: Convert to fraction form
   13,918.77/19,208.88 = 7,951.32/x
3. Step 3: Cross multiply
   13,918.77x = 19,208.88 × 7,951.32
4. Step 4: Simplify right side
   13,918.77x = 152,735,951.72
5. Step 5: Solve for x
   x = 152,735,951.72/13,918.77
6. Step 6: Final answer
   x = 10,973.38