Finding the Fourth Proportional to 1,904.46, 2,628.12 and 1,118.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,904.46 : 2,628.12 = 1,118.34 : x
2. Step 2: Convert to fraction form
   1,904.46/2,628.12 = 1,118.34/x
3. Step 3: Cross multiply
   1,904.46x = 2,628.12 × 1,118.34
4. Step 4: Simplify right side
   1,904.46x = 2,939,131.72
5. Step 5: Solve for x
   x = 2,939,131.72/1,904.46
6. Step 6: Final answer
   x = 1,543.29