Finding the Fourth Proportional to 1,681.53, 2,320.56 and 925.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,681.53 : 2,320.56 = 925.34 : x
2. Step 2: Convert to fraction form
   1,681.53/2,320.56 = 925.34/x
3. Step 3: Cross multiply
   1,681.53x = 2,320.56 × 925.34
4. Step 4: Simplify right side
   1,681.53x = 2,147,295.39
5. Step 5: Solve for x
   x = 2,147,295.39/1,681.53
6. Step 6: Final answer
   x = 1,276.99