Finding the Fourth Proportional to 1,901.70, 2,624.25 and 1,105.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,901.70 : 2,624.25 = 1,105.05 : x
2. Step 2: Convert to fraction form
   1,901.70/2,624.25 = 1,105.05/x
3. Step 3: Cross multiply
   1,901.70x = 2,624.25 × 1,105.05
4. Step 4: Simplify right side
   1,901.70x = 2,899,927.46
5. Step 5: Solve for x
   x = 2,899,927.46/1,901.70
6. Step 6: Final answer
   x = 1,524.91