Finding the Fourth Proportional to 1,994.17, 2,752.01 and 1,247.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,994.17 : 2,752.01 = 1,247.89 : x
2. Step 2: Convert to fraction form
   1,994.17/2,752.01 = 1,247.89/x
3. Step 3: Cross multiply
   1,994.17x = 2,752.01 × 1,247.89
4. Step 4: Simplify right side
   1,994.17x = 3,434,205.76
5. Step 5: Solve for x
   x = 3,434,205.76/1,994.17
6. Step 6: Final answer
   x = 1,722.12