Finding the Fourth Proportional to 3,667.97, 5,502.45 and 1,070.87

Step by Step Solution

1. Step 1: Write the proportion equation
   3,667.97 : 5,502.45 = 1,070.87 : x
2. Step 2: Convert to fraction form
   3,667.97/5,502.45 = 1,070.87/x
3. Step 3: Cross multiply
   3,667.97x = 5,502.45 × 1,070.87
4. Step 4: Simplify right side
   3,667.97x = 5,892,403.28
5. Step 5: Solve for x
   x = 5,892,403.28/3,667.97
6. Step 6: Final answer
   x = 1,606.45