Finding the Fourth Proportional to 2,129.56, 3,196.50 and 1,513.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,129.56 : 3,196.50 = 1,513.96 : x
2. Step 2: Convert to fraction form
   2,129.56/3,196.50 = 1,513.96/x
3. Step 3: Cross multiply
   2,129.56x = 3,196.50 × 1,513.96
4. Step 4: Simplify right side
   2,129.56x = 4,839,373.14
5. Step 5: Solve for x
   x = 4,839,373.14/2,129.56
6. Step 6: Final answer
   x = 2,272.48