Finding the Fourth Proportional to 1,888.35, 2,606.05 and 1,142.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,888.35 : 2,606.05 = 1,142.34 : x
2. Step 2: Convert to fraction form
   1,888.35/2,606.05 = 1,142.34/x
3. Step 3: Cross multiply
   1,888.35x = 2,606.05 × 1,142.34
4. Step 4: Simplify right side
   1,888.35x = 2,976,992.30
5. Step 5: Solve for x
   x = 2,976,992.30/1,888.35
6. Step 6: Final answer
   x = 1,576.50