Finding the Fourth Proportional to 17,155.67, 23,458.65 and 17,155.67

Step by Step Solution

1. Step 1: Write the proportion equation
   17,155.67 : 23,458.65 = 17,155.67 : x
2. Step 2: Convert to fraction form
   17,155.67/23,458.65 = 17,155.67/x
3. Step 3: Cross multiply
   17,155.67x = 23,458.65 × 17,155.67
4. Step 4: Simplify right side
   17,155.67x = 402,448,772.27
5. Step 5: Solve for x
   x = 402,448,772.27/17,155.67
6. Step 6: Final answer
   x = 23,458.65