Finding the Fourth Proportional to 1,554.51, 2,145.32 and 925.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,554.51 : 2,145.32 = 925.41 : x
2. Step 2: Convert to fraction form
   1,554.51/2,145.32 = 925.41/x
3. Step 3: Cross multiply
   1,554.51x = 2,145.32 × 925.41
4. Step 4: Simplify right side
   1,554.51x = 1,985,300.58
5. Step 5: Solve for x
   x = 1,985,300.58/1,554.51
6. Step 6: Final answer
   x = 1,277.12