Finding the Fourth Proportional to 11,713.98, 17,507.67 and 10,779.96

Step by Step Solution

1. Step 1: Write the proportion equation
   11,713.98 : 17,507.67 = 10,779.96 : x
2. Step 2: Convert to fraction form
   11,713.98/17,507.67 = 10,779.96/x
3. Step 3: Cross multiply
   11,713.98x = 17,507.67 × 10,779.96
4. Step 4: Simplify right side
   11,713.98x = 188,731,982.29
5. Step 5: Solve for x
   x = 188,731,982.29/11,713.98
6. Step 6: Final answer
   x = 16,111.69