Finding the Fourth Proportional to 1,875.56, 2,588.15 and 1,089.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,875.56 : 2,588.15 = 1,089.45 : x
2. Step 2: Convert to fraction form
   1,875.56/2,588.15 = 1,089.45/x
3. Step 3: Cross multiply
   1,875.56x = 2,588.15 × 1,089.45
4. Step 4: Simplify right side
   1,875.56x = 2,819,662.74
5. Step 5: Solve for x
   x = 2,819,662.74/1,875.56
6. Step 6: Final answer
   x = 1,503.38