Finding the Fourth Proportional to 3,671.51, 5,506.86 and 1,074.47

Step by Step Solution

1. Step 1: Write the proportion equation
   3,671.51 : 5,506.86 = 1,074.47 : x
2. Step 2: Convert to fraction form
   3,671.51/5,506.86 = 1,074.47/x
3. Step 3: Cross multiply
   3,671.51x = 5,506.86 × 1,074.47
4. Step 4: Simplify right side
   3,671.51x = 5,916,955.86
5. Step 5: Solve for x
   x = 5,916,955.86/3,671.51
6. Step 6: Final answer
   x = 1,611.59