Finding the Fourth Proportional to 1,483.34, 2,212.48 and 1,397.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,483.34 : 2,212.48 = 1,397.69 : x
2. Step 2: Convert to fraction form
   1,483.34/2,212.48 = 1,397.69/x
3. Step 3: Cross multiply
   1,483.34x = 2,212.48 × 1,397.69
4. Step 4: Simplify right side
   1,483.34x = 3,092,350.11
5. Step 5: Solve for x
   x = 3,092,350.11/1,483.34
6. Step 6: Final answer
   x = 2,084.72