Finding the Fourth Proportional to 1,085,456.72, 1,497,608.52 and 632,668.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,085,456.72 : 1,497,608.52 = 632,668.88 : x
2. Step 2: Convert to fraction form
   1,085,456.72/1,497,608.52 = 632,668.88/x
3. Step 3: Cross multiply
   1,085,456.72x = 1,497,608.52 × 632,668.88
4. Step 4: Simplify right side
   1,085,456.72x = 947,490,305,026.86
5. Step 5: Solve for x
   x = 947,490,305,026.86/1,085,456.72
6. Step 6: Final answer
   x = 872,895.52