Finding the Fourth Proportional to 52,605.62, 78,908.64 and 13,162.62

Step by Step Solution

1. Step 1: Write the proportion equation
   52,605.62 : 78,908.64 = 13,162.62 : x
2. Step 2: Convert to fraction form
   52,605.62/78,908.64 = 13,162.62/x
3. Step 3: Cross multiply
   52,605.62x = 78,908.64 × 13,162.62
4. Step 4: Simplify right side
   52,605.62x = 1,038,644,443.04
5. Step 5: Solve for x
   x = 1,038,644,443.04/52,605.62
6. Step 6: Final answer
   x = 19,743.98