Finding the Fourth Proportional to 498.01, 746.99 and 190.01

Step by Step Solution

1. Step 1: Write the proportion equation
   498.01 : 746.99 = 190.01 : x
2. Step 2: Convert to fraction form
   498.01/746.99 = 190.01/x
3. Step 3: Cross multiply
   498.01x = 746.99 × 190.01
4. Step 4: Simplify right side
   498.01x = 141,931.60
5. Step 5: Solve for x
   x = 141,931.60/498.01
6. Step 6: Final answer
   x = 285.00