Finding the Fourth Proportional to 13,764.56, 18,995.31 and 7,796.07

Step by Step Solution

1. Step 1: Write the proportion equation
   13,764.56 : 18,995.31 = 7,796.07 : x
2. Step 2: Convert to fraction form
   13,764.56/18,995.31 = 7,796.07/x
3. Step 3: Cross multiply
   13,764.56x = 18,995.31 × 7,796.07
4. Step 4: Simplify right side
   13,764.56x = 148,088,766.43
5. Step 5: Solve for x
   x = 148,088,766.43/13,764.56
6. Step 6: Final answer
   x = 10,758.70