Finding the Fourth Proportional to 1,072,568.82, 1,480,402.76 and 613,949.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,072,568.82 : 1,480,402.76 = 613,949.25 : x
2. Step 2: Convert to fraction form
   1,072,568.82/1,480,402.76 = 613,949.25/x
3. Step 3: Cross multiply
   1,072,568.82x = 1,480,402.76 × 613,949.25
4. Step 4: Simplify right side
   1,072,568.82x = 908,892,164,199.93
5. Step 5: Solve for x
   x = 908,892,164,199.93/1,072,568.82
6. Step 6: Final answer
   x = 847,397.53