Finding the Fourth Proportional to 1,072,564.82, 1,480,397.24 and 613,945.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,072,564.82 : 1,480,397.24 = 613,945.25 : x
2. Step 2: Convert to fraction form
   1,072,564.82/1,480,397.24 = 613,945.25/x
3. Step 3: Cross multiply
   1,072,564.82x = 1,480,397.24 × 613,945.25
4. Step 4: Simplify right side
   1,072,564.82x = 908,882,843,139.40
5. Step 5: Solve for x
   x = 908,882,843,139.40/1,072,564.82
6. Step 6: Final answer
   x = 847,392.00