Finding the Fourth Proportional to 1,851.86, 2,777.31 and 756.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,851.86 : 2,777.31 = 756.02 : x
2. Step 2: Convert to fraction form
   1,851.86/2,777.31 = 756.02/x
3. Step 3: Cross multiply
   1,851.86x = 2,777.31 × 756.02
4. Step 4: Simplify right side
   1,851.86x = 2,099,688.02
5. Step 5: Solve for x
   x = 2,099,688.02/1,851.86
6. Step 6: Final answer
   x = 1,133.83