Finding the Fourth Proportional to 152,165.24, 209,969.52 and 84,173.12

Step by Step Solution

1. Step 1: Write the proportion equation
   152,165.24 : 209,969.52 = 84,173.12 : x
2. Step 2: Convert to fraction form
   152,165.24/209,969.52 = 84,173.12/x
3. Step 3: Cross multiply
   152,165.24x = 209,969.52 × 84,173.12
4. Step 4: Simplify right side
   152,165.24x = 17,673,789,603.30
5. Step 5: Solve for x
   x = 17,673,789,603.30/152,165.24
6. Step 6: Final answer
   x = 116,148.67