Finding the Fourth Proportional to 1,901.46, 2,624.27 and 1,155.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,901.46 : 2,624.27 = 1,155.30 : x
2. Step 2: Convert to fraction form
   1,901.46/2,624.27 = 1,155.30/x
3. Step 3: Cross multiply
   1,901.46x = 2,624.27 × 1,155.30
4. Step 4: Simplify right side
   1,901.46x = 3,031,819.13
5. Step 5: Solve for x
   x = 3,031,819.13/1,901.46
6. Step 6: Final answer
   x = 1,594.47