Finding the Fourth Proportional to 3,667.98, 5,502.39 and 1,070.91

Step by Step Solution

1. Step 1: Write the proportion equation
   3,667.98 : 5,502.39 = 1,070.91 : x
2. Step 2: Convert to fraction form
   3,667.98/5,502.39 = 1,070.91/x
3. Step 3: Cross multiply
   3,667.98x = 5,502.39 × 1,070.91
4. Step 4: Simplify right side
   3,667.98x = 5,892,564.47
5. Step 5: Solve for x
   x = 5,892,564.47/3,667.98
6. Step 6: Final answer
   x = 1,606.49