Finding the Fourth Proportional to 13,765.83, 18,996.80 and 7,796.91

Step by Step Solution

1. Step 1: Write the proportion equation
   13,765.83 : 18,996.80 = 7,796.91 : x
2. Step 2: Convert to fraction form
   13,765.83/18,996.80 = 7,796.91/x
3. Step 3: Cross multiply
   13,765.83x = 18,996.80 × 7,796.91
4. Step 4: Simplify right side
   13,765.83x = 148,116,300.90
5. Step 5: Solve for x
   x = 148,116,300.90/13,765.83
6. Step 6: Final answer
   x = 10,759.71