Finding the Fourth Proportional to 1,931.82, 2,894.28 and 698.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,931.82 : 2,894.28 = 698.46 : x
2. Step 2: Convert to fraction form
   1,931.82/2,894.28 = 698.46/x
3. Step 3: Cross multiply
   1,931.82x = 2,894.28 × 698.46
4. Step 4: Simplify right side
   1,931.82x = 2,021,538.81
5. Step 5: Solve for x
   x = 2,021,538.81/1,931.82
6. Step 6: Final answer
   x = 1,046.44