Finding the Fourth Proportional to 1,948.35, 2,685.01 and 1,423.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,948.35 : 2,685.01 = 1,423.47 : x
2. Step 2: Convert to fraction form
   1,948.35/2,685.01 = 1,423.47/x
3. Step 3: Cross multiply
   1,948.35x = 2,685.01 × 1,423.47
4. Step 4: Simplify right side
   1,948.35x = 3,822,031.18
5. Step 5: Solve for x
   x = 3,822,031.18/1,948.35
6. Step 6: Final answer
   x = 1,961.68