Finding the Fourth Proportional to 13,314.86, 19,951.56 and 7,754.48

Step by Step Solution

1. Step 1: Write the proportion equation
   13,314.86 : 19,951.56 = 7,754.48 : x
2. Step 2: Convert to fraction form
   13,314.86/19,951.56 = 7,754.48/x
3. Step 3: Cross multiply
   13,314.86x = 19,951.56 × 7,754.48
4. Step 4: Simplify right side
   13,314.86x = 154,713,873.23
5. Step 5: Solve for x
   x = 154,713,873.23/13,314.86
6. Step 6: Final answer
   x = 11,619.64