Finding the Fourth Proportional to 2,592.81, 3,887.90 and 1,851.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,592.81 : 3,887.90 = 1,851.96 : x
2. Step 2: Convert to fraction form
   2,592.81/3,887.90 = 1,851.96/x
3. Step 3: Cross multiply
   2,592.81x = 3,887.90 × 1,851.96
4. Step 4: Simplify right side
   2,592.81x = 7,200,247.55
5. Step 5: Solve for x
   x = 7,200,247.55/2,592.81
6. Step 6: Final answer
   x = 2,777.01