Finding the Fourth Proportional to 1,925.31, 2,888.04 and 1,103.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,925.31 : 2,888.04 = 1,103.21 : x
2. Step 2: Convert to fraction form
   1,925.31/2,888.04 = 1,103.21/x
3. Step 3: Cross multiply
   1,925.31x = 2,888.04 × 1,103.21
4. Step 4: Simplify right side
   1,925.31x = 3,186,114.61
5. Step 5: Solve for x
   x = 3,186,114.61/1,925.31
6. Step 6: Final answer
   x = 1,654.86