Finding the Fourth Proportional to 1,755,128.68, 2,632,791.48 and 492,857.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,755,128.68 : 2,632,791.48 = 492,857.89 : x
2. Step 2: Convert to fraction form
   1,755,128.68/2,632,791.48 = 492,857.89/x
3. Step 3: Cross multiply
   1,755,128.68x = 2,632,791.48 × 492,857.89
4. Step 4: Simplify right side
   1,755,128.68x = 1,297,592,053,642.78
5. Step 5: Solve for x
   x = 1,297,592,053,642.78/1,755,128.68
6. Step 6: Final answer
   x = 739,314.48