Finding the Fourth Proportional to 1,925.94, 2,888.59 and 693.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,925.94 : 2,888.59 = 693.12 : x
2. Step 2: Convert to fraction form
   1,925.94/2,888.59 = 693.12/x
3. Step 3: Cross multiply
   1,925.94x = 2,888.59 × 693.12
4. Step 4: Simplify right side
   1,925.94x = 2,002,121.59
5. Step 5: Solve for x
   x = 2,002,121.59/1,925.94
6. Step 6: Final answer
   x = 1,039.56