Finding the Fourth Proportional to 1,501.36, 2,072.83 and 1,030.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,501.36 : 2,072.83 = 1,030.05 : x
2. Step 2: Convert to fraction form
   1,501.36/2,072.83 = 1,030.05/x
3. Step 3: Cross multiply
   1,501.36x = 2,072.83 × 1,030.05
4. Step 4: Simplify right side
   1,501.36x = 2,135,105.60
5. Step 5: Solve for x
   x = 2,135,105.60/1,501.36
6. Step 6: Final answer
   x = 1,422.11