Finding the Fourth Proportional to 2,994.17, 4,491.86 and 1,145.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,994.17 : 4,491.86 = 1,145.30 : x
2. Step 2: Convert to fraction form
   2,994.17/4,491.86 = 1,145.30/x
3. Step 3: Cross multiply
   2,994.17x = 4,491.86 × 1,145.30
4. Step 4: Simplify right side
   2,994.17x = 5,144,499.07
5. Step 5: Solve for x
   x = 5,144,499.07/2,994.17
6. Step 6: Final answer
   x = 1,718.17