Finding the Fourth Proportional to 2,085.32, 3,126.06 and 930.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,085.32 : 3,126.06 = 930.44 : x
2. Step 2: Convert to fraction form
   2,085.32/3,126.06 = 930.44/x
3. Step 3: Cross multiply
   2,085.32x = 3,126.06 × 930.44
4. Step 4: Simplify right side
   2,085.32x = 2,908,611.27
5. Step 5: Solve for x
   x = 2,908,611.27/2,085.32
6. Step 6: Final answer
   x = 1,394.80