Finding the Fourth Proportional to 1,397.91, 2,094.80 and 934.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,397.91 : 2,094.80 = 934.10 : x
2. Step 2: Convert to fraction form
   1,397.91/2,094.80 = 934.10/x
3. Step 3: Cross multiply
   1,397.91x = 2,094.80 × 934.10
4. Step 4: Simplify right side
   1,397.91x = 1,956,737.54
5. Step 5: Solve for x
   x = 1,956,737.54/1,397.91
6. Step 6: Final answer
   x = 1,399.76