Finding the Fourth Proportional to 3,189.16, 4,784.00 and 997.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,189.16 : 4,784.00 = 997.88 : x
2. Step 2: Convert to fraction form
   3,189.16/4,784.00 = 997.88/x
3. Step 3: Cross multiply
   3,189.16x = 4,784.00 × 997.88
4. Step 4: Simplify right side
   3,189.16x = 4,773,829.01
5. Step 5: Solve for x
   x = 4,773,829.01/3,189.16
6. Step 6: Final answer
   x = 1,496.89