Finding the Fourth Proportional to 1,800.90, 2,484.56 and 1,137.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,800.90 : 2,484.56 = 1,137.50 : x
2. Step 2: Convert to fraction form
   1,800.90/2,484.56 = 1,137.50/x
3. Step 3: Cross multiply
   1,800.90x = 2,484.56 × 1,137.50
4. Step 4: Simplify right side
   1,800.90x = 2,826,187
5. Step 5: Solve for x
   x = 2,826,187/1,800.90
6. Step 6: Final answer
   x = 1,569.32