Finding the Fourth Proportional to 853,061.82, 1,177,225.75 and 465,882.63

Step by Step Solution

1. Step 1: Write the proportion equation
   853,061.82 : 1,177,225.75 = 465,882.63 : x
2. Step 2: Convert to fraction form
   853,061.82/1,177,225.75 = 465,882.63/x
3. Step 3: Cross multiply
   853,061.82x = 1,177,225.75 × 465,882.63
4. Step 4: Simplify right side
   853,061.82x = 548,449,028,513.72
5. Step 5: Solve for x
   x = 548,449,028,513.72/853,061.82
6. Step 6: Final answer
   x = 642,918.27