Finding the Fourth Proportional to 123,721.56, 185,582.25 and 71,097.48

Step by Step Solution

1. Step 1: Write the proportion equation
   123,721.56 : 185,582.25 = 71,097.48 : x
2. Step 2: Convert to fraction form
   123,721.56/185,582.25 = 71,097.48/x
3. Step 3: Cross multiply
   123,721.56x = 185,582.25 × 71,097.48
4. Step 4: Simplify right side
   123,721.56x = 13,194,430,307.73
5. Step 5: Solve for x
   x = 13,194,430,307.73/123,721.56
6. Step 6: Final answer
   x = 106,646.17