Finding the Fourth Proportional to 17,779.17, 26,610.89 and 13,097.34

Step by Step Solution

1. Step 1: Write the proportion equation
   17,779.17 : 26,610.89 = 13,097.34 : x
2. Step 2: Convert to fraction form
   17,779.17/26,610.89 = 13,097.34/x
3. Step 3: Cross multiply
   17,779.17x = 26,610.89 × 13,097.34
4. Step 4: Simplify right side
   17,779.17x = 348,531,874.03
5. Step 5: Solve for x
   x = 348,531,874.03/17,779.17
6. Step 6: Final answer
   x = 19,603.38