Finding the Fourth Proportional to 2,095.81, 2,892.61 and 1,387.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,095.81 : 2,892.61 = 1,387.67 : x
2. Step 2: Convert to fraction form
   2,095.81/2,892.61 = 1,387.67/x
3. Step 3: Cross multiply
   2,095.81x = 2,892.61 × 1,387.67
4. Step 4: Simplify right side
   2,095.81x = 4,013,975.39
5. Step 5: Solve for x
   x = 4,013,975.39/2,095.81
6. Step 6: Final answer
   x = 1,915.24