Finding the Fourth Proportional to 1,192.76, 1,789.59 and 499.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,192.76 : 1,789.59 = 499.89 : x
2. Step 2: Convert to fraction form
   1,192.76/1,789.59 = 499.89/x
3. Step 3: Cross multiply
   1,192.76x = 1,789.59 × 499.89
4. Step 4: Simplify right side
   1,192.76x = 894,598.15
5. Step 5: Solve for x
   x = 894,598.15/1,192.76
6. Step 6: Final answer
   x = 750.03