Finding the Fourth Proportional to 52,145.67, 78,233.09 and 17,109.93

Step by Step Solution

1. Step 1: Write the proportion equation
   52,145.67 : 78,233.09 = 17,109.93 : x
2. Step 2: Convert to fraction form
   52,145.67/78,233.09 = 17,109.93/x
3. Step 3: Cross multiply
   52,145.67x = 78,233.09 × 17,109.93
4. Step 4: Simplify right side
   52,145.67x = 1,338,562,608.03
5. Step 5: Solve for x
   x = 1,338,562,608.03/52,145.67
6. Step 6: Final answer
   x = 25,669.68