Finding the Fourth Proportional to 1,423.37, 2,136.01 and 498.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,423.37 : 2,136.01 = 498.93 : x
2. Step 2: Convert to fraction form
   1,423.37/2,136.01 = 498.93/x
3. Step 3: Cross multiply
   1,423.37x = 2,136.01 × 498.93
4. Step 4: Simplify right side
   1,423.37x = 1,065,719.47
5. Step 5: Solve for x
   x = 1,065,719.47/1,423.37
6. Step 6: Final answer
   x = 748.73