Finding the Fourth Proportional to 1,302,048, 1,954,131.48 and 671,142.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,302,048 : 1,954,131.48 = 671,142.24 : x
2. Step 2: Convert to fraction form
   1,302,048/1,954,131.48 = 671,142.24/x
3. Step 3: Cross multiply
   1,302,048x = 1,954,131.48 × 671,142.24
4. Step 4: Simplify right side
   1,302,048x = 1,311,500,178,741.72
5. Step 5: Solve for x
   x = 1,311,500,178,741.72/1,302,048
6. Step 6: Final answer
   x = 1,007,259.47