Finding the Fourth Proportional to 2,073.17, 2,861.51 and 1,189.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,073.17 : 2,861.51 = 1,189.46 : x
2. Step 2: Convert to fraction form
   2,073.17/2,861.51 = 1,189.46/x
3. Step 3: Cross multiply
   2,073.17x = 2,861.51 × 1,189.46
4. Step 4: Simplify right side
   2,073.17x = 3,403,631.43
5. Step 5: Solve for x
   x = 3,403,631.43/2,073.17
6. Step 6: Final answer
   x = 1,641.76