Finding the Fourth Proportional to 1,231.89, 1,848.59 and 501.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,231.89 : 1,848.59 = 501.47 : x
2. Step 2: Convert to fraction form
   1,231.89/1,848.59 = 501.47/x
3. Step 3: Cross multiply
   1,231.89x = 1,848.59 × 501.47
4. Step 4: Simplify right side
   1,231.89x = 927,012.43
5. Step 5: Solve for x
   x = 927,012.43/1,231.89
6. Step 6: Final answer
   x = 752.51