Finding the Fourth Proportional to 9,113.42, 13,667.70 and 3,918.08

Step by Step Solution

1. Step 1: Write the proportion equation
   9,113.42 : 13,667.70 = 3,918.08 : x
2. Step 2: Convert to fraction form
   9,113.42/13,667.70 = 3,918.08/x
3. Step 3: Cross multiply
   9,113.42x = 13,667.70 × 3,918.08
4. Step 4: Simplify right side
   9,113.42x = 53,551,142.02
5. Step 5: Solve for x
   x = 53,551,142.02/9,113.42
6. Step 6: Final answer
   x = 5,876.08