Finding the Fourth Proportional to 123,996.69, 186,018.98 and 52,918.29

Step by Step Solution

1. Step 1: Write the proportion equation
   123,996.69 : 186,018.98 = 52,918.29 : x
2. Step 2: Convert to fraction form
   123,996.69/186,018.98 = 52,918.29/x
3. Step 3: Cross multiply
   123,996.69x = 186,018.98 × 52,918.29
4. Step 4: Simplify right side
   123,996.69x = 9,843,806,064.55
5. Step 5: Solve for x
   x = 9,843,806,064.55/123,996.69
6. Step 6: Final answer
   x = 79,387.65