Finding the Fourth Proportional to 3,667.60, 5,506.26 and 3,623.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,667.60 : 5,506.26 = 3,623.86 : x
2. Step 2: Convert to fraction form
   3,667.60/5,506.26 = 3,623.86/x
3. Step 3: Cross multiply
   3,667.60x = 5,506.26 × 3,623.86
4. Step 4: Simplify right side
   3,667.60x = 19,953,915.36
5. Step 5: Solve for x
   x = 19,953,915.36/3,667.60
6. Step 6: Final answer
   x = 5,440.59