Finding the Fourth Proportional to 1,901.76, 2,623.59 and 1,105.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,901.76 : 2,623.59 = 1,105.02 : x
2. Step 2: Convert to fraction form
   1,901.76/2,623.59 = 1,105.02/x
3. Step 3: Cross multiply
   1,901.76x = 2,623.59 × 1,105.02
4. Step 4: Simplify right side
   1,901.76x = 2,899,119.42
5. Step 5: Solve for x
   x = 2,899,119.42/1,901.76
6. Step 6: Final answer
   x = 1,524.44