Finding the Fourth Proportional to 1,672.08, 2,308.52 and 1,074.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,672.08 : 2,308.52 = 1,074.84 : x
2. Step 2: Convert to fraction form
   1,672.08/2,308.52 = 1,074.84/x
3. Step 3: Cross multiply
   1,672.08x = 2,308.52 × 1,074.84
4. Step 4: Simplify right side
   1,672.08x = 2,481,272.72
5. Step 5: Solve for x
   x = 2,481,272.72/1,672.08
6. Step 6: Final answer
   x = 1,483.95