Finding the Fourth Proportional to 1,925.16, 2,656.72 and 1,040.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,925.16 : 2,656.72 = 1,040.96 : x
2. Step 2: Convert to fraction form
   1,925.16/2,656.72 = 1,040.96/x
3. Step 3: Cross multiply
   1,925.16x = 2,656.72 × 1,040.96
4. Step 4: Simplify right side
   1,925.16x = 2,765,539.25
5. Step 5: Solve for x
   x = 2,765,539.25/1,925.16
6. Step 6: Final answer
   x = 1,436.52