Finding the Fourth Proportional to 787,131.72, 1,086,048.54 and 460,393.92

Step by Step Solution

1. Step 1: Write the proportion equation
   787,131.72 : 1,086,048.54 = 460,393.92 : x
2. Step 2: Convert to fraction form
   787,131.72/1,086,048.54 = 460,393.92/x
3. Step 3: Cross multiply
   787,131.72x = 1,086,048.54 × 460,393.92
4. Step 4: Simplify right side
   787,131.72x = 500,010,144,640.88
5. Step 5: Solve for x
   x = 500,010,144,640.88/787,131.72
6. Step 6: Final answer
   x = 635,230.59