Finding the Fourth Proportional to 1,875.52, 2,588.30 and 1,089.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,875.52 : 2,588.30 = 1,089.42 : x
2. Step 2: Convert to fraction form
   1,875.52/2,588.30 = 1,089.42/x
3. Step 3: Cross multiply
   1,875.52x = 2,588.30 × 1,089.42
4. Step 4: Simplify right side
   1,875.52x = 2,819,740.85
5. Step 5: Solve for x
   x = 2,819,740.85/1,875.52
6. Step 6: Final answer
   x = 1,503.44