Finding the Fourth Proportional to 715,111.38, 986,571.54 and 460,610.28

Step by Step Solution

1. Step 1: Write the proportion equation
   715,111.38 : 986,571.54 = 460,610.28 : x
2. Step 2: Convert to fraction form
   715,111.38/986,571.54 = 460,610.28/x
3. Step 3: Cross multiply
   715,111.38x = 986,571.54 × 460,610.28
4. Step 4: Simplify right side
   715,111.38x = 454,424,993,279.43
5. Step 5: Solve for x
   x = 454,424,993,279.43/715,111.38
6. Step 6: Final answer
   x = 635,460.44