Finding the Fourth Proportional to 2,164.55, 2,992.91 and 1,887.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,164.55 : 2,992.91 = 1,887.75 : x
2. Step 2: Convert to fraction form
   2,164.55/2,992.91 = 1,887.75/x
3. Step 3: Cross multiply
   2,164.55x = 2,992.91 × 1,887.75
4. Step 4: Simplify right side
   2,164.55x = 5,649,856.41
5. Step 5: Solve for x
   x = 5,649,856.41/2,164.55
6. Step 6: Final answer
   x = 2,610.18