Finding the Fourth Proportional to 3,667.74, 5,501.94 and 1,587.80

Step by Step Solution

1. Step 1: Write the proportion equation
   3,667.74 : 5,501.94 = 1,587.80 : x
2. Step 2: Convert to fraction form
   3,667.74/5,501.94 = 1,587.80/x
3. Step 3: Cross multiply
   3,667.74x = 5,501.94 × 1,587.80
4. Step 4: Simplify right side
   3,667.74x = 8,735,980.33
5. Step 5: Solve for x
   x = 8,735,980.33/3,667.74
6. Step 6: Final answer
   x = 2,381.84