Finding the Fourth Proportional to 2,130.34, 3,193.71 and 1,019.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,130.34 : 3,193.71 = 1,019.13 : x
2. Step 2: Convert to fraction form
   2,130.34/3,193.71 = 1,019.13/x
3. Step 3: Cross multiply
   2,130.34x = 3,193.71 × 1,019.13
4. Step 4: Simplify right side
   2,130.34x = 3,254,805.67
5. Step 5: Solve for x
   x = 3,254,805.67/2,130.34
6. Step 6: Final answer
   x = 1,527.83