Finding the Fourth Proportional to 1,555.48, 2,332.52 and 824.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,555.48 : 2,332.52 = 824.89 : x
2. Step 2: Convert to fraction form
   1,555.48/2,332.52 = 824.89/x
3. Step 3: Cross multiply
   1,555.48x = 2,332.52 × 824.89
4. Step 4: Simplify right side
   1,555.48x = 1,924,060.76
5. Step 5: Solve for x
   x = 1,924,060.76/1,555.48
6. Step 6: Final answer
   x = 1,236.96