Finding the Fourth Proportional to 1,083,726.72, 1,626,588 and 551,628

Step by Step Solution

1. Step 1: Write the proportion equation
   1,083,726.72 : 1,626,588 = 551,628 : x
2. Step 2: Convert to fraction form
   1,083,726.72/1,626,588 = 551,628/x
3. Step 3: Cross multiply
   1,083,726.72x = 1,626,588 × 551,628
4. Step 4: Simplify right side
   1,083,726.72x = 897,271,485,264
5. Step 5: Solve for x
   x = 897,271,485,264/1,083,726.72
6. Step 6: Final answer
   x = 827,949.95