Finding the Fourth Proportional to 3,671.55, 5,066.59 and 1,992.90

Step by Step Solution

1. Step 1: Write the proportion equation
   3,671.55 : 5,066.59 = 1,992.90 : x
2. Step 2: Convert to fraction form
   3,671.55/5,066.59 = 1,992.90/x
3. Step 3: Cross multiply
   3,671.55x = 5,066.59 × 1,992.90
4. Step 4: Simplify right side
   3,671.55x = 10,097,207.21
5. Step 5: Solve for x
   x = 10,097,207.21/3,671.55
6. Step 6: Final answer
   x = 2,750.12