Finding the Fourth Proportional to 2,130.68, 3,196.56 and 1,156.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,130.68 : 3,196.56 = 1,156.52 : x
2. Step 2: Convert to fraction form
   2,130.68/3,196.56 = 1,156.52/x
3. Step 3: Cross multiply
   2,130.68x = 3,196.56 × 1,156.52
4. Step 4: Simplify right side
   2,130.68x = 3,696,885.57
5. Step 5: Solve for x
   x = 3,696,885.57/2,130.68
6. Step 6: Final answer
   x = 1,735.07