Finding the Fourth Proportional to 2,111.04, 3,165.84 and 1,137.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.04 : 3,165.84 = 1,137.60 : x
2. Step 2: Convert to fraction form
   2,111.04/3,165.84 = 1,137.60/x
3. Step 3: Cross multiply
   2,111.04x = 3,165.84 × 1,137.60
4. Step 4: Simplify right side
   2,111.04x = 3,601,459.58
5. Step 5: Solve for x
   x = 3,601,459.58/2,111.04
6. Step 6: Final answer
   x = 1,706.01