Finding the Fourth Proportional to 1,875.42, 2,588.04 and 1,089.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,875.42 : 2,588.04 = 1,089.63 : x
2. Step 2: Convert to fraction form
   1,875.42/2,588.04 = 1,089.63/x
3. Step 3: Cross multiply
   1,875.42x = 2,588.04 × 1,089.63
4. Step 4: Simplify right side
   1,875.42x = 2,820,006.03
5. Step 5: Solve for x
   x = 2,820,006.03/1,875.42
6. Step 6: Final answer
   x = 1,503.67