Finding the Fourth Proportional to 3,667.78, 5,502.93 and 1,071.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,667.78 : 5,502.93 = 1,071.10 : x
2. Step 2: Convert to fraction form
   3,667.78/5,502.93 = 1,071.10/x
3. Step 3: Cross multiply
   3,667.78x = 5,502.93 × 1,071.10
4. Step 4: Simplify right side
   3,667.78x = 5,894,188.32
5. Step 5: Solve for x
   x = 5,894,188.32/3,667.78
6. Step 6: Final answer
   x = 1,607.02