Finding the Fourth Proportional to 2,091.12, 3,137.08 and 1,051.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,091.12 : 3,137.08 = 1,051.34 : x
2. Step 2: Convert to fraction form
   2,091.12/3,137.08 = 1,051.34/x
3. Step 3: Cross multiply
   2,091.12x = 3,137.08 × 1,051.34
4. Step 4: Simplify right side
   2,091.12x = 3,298,137.69
5. Step 5: Solve for x
   x = 3,298,137.69/2,091.12
6. Step 6: Final answer
   x = 1,577.21