Finding the Fourth Proportional to 1,481.98, 2,221.59 and 932.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,481.98 : 2,221.59 = 932.50 : x
2. Step 2: Convert to fraction form
   1,481.98/2,221.59 = 932.50/x
3. Step 3: Cross multiply
   1,481.98x = 2,221.59 × 932.50
4. Step 4: Simplify right side
   1,481.98x = 2,071,632.68
5. Step 5: Solve for x
   x = 2,071,632.68/1,481.98
6. Step 6: Final answer
   x = 1,397.88