Finding the Fourth Proportional to 1,901.05, 2,624.28 and 1,155.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,901.05 : 2,624.28 = 1,155.25 : x
2. Step 2: Convert to fraction form
   1,901.05/2,624.28 = 1,155.25/x
3. Step 3: Cross multiply
   1,901.05x = 2,624.28 × 1,155.25
4. Step 4: Simplify right side
   1,901.05x = 3,031,699.47
5. Step 5: Solve for x
   x = 3,031,699.47/1,901.05
6. Step 6: Final answer
   x = 1,594.75