Finding the Fourth Proportional to 17,333.51, 23,918.18 and 9,779.40

Step by Step Solution

1. Step 1: Write the proportion equation
   17,333.51 : 23,918.18 = 9,779.40 : x
2. Step 2: Convert to fraction form
   17,333.51/23,918.18 = 9,779.40/x
3. Step 3: Cross multiply
   17,333.51x = 23,918.18 × 9,779.40
4. Step 4: Simplify right side
   17,333.51x = 233,905,400.60
5. Step 5: Solve for x
   x = 233,905,400.60/17,333.51
6. Step 6: Final answer
   x = 13,494.41