Finding the Fourth Proportional to 1,820.22, 2,731.91 and 1,127.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,820.22 : 2,731.91 = 1,127.51 : x
2. Step 2: Convert to fraction form
   1,820.22/2,731.91 = 1,127.51/x
3. Step 3: Cross multiply
   1,820.22x = 2,731.91 × 1,127.51
4. Step 4: Simplify right side
   1,820.22x = 3,080,236.55
5. Step 5: Solve for x
   x = 3,080,236.55/1,820.22
6. Step 6: Final answer
   x = 1,692.23