Finding the Fourth Proportional to 798,638.56, 1,102,112.82 and 436,061.28

Step by Step Solution

1. Step 1: Write the proportion equation
   798,638.56 : 1,102,112.82 = 436,061.28 : x
2. Step 2: Convert to fraction form
   798,638.56/1,102,112.82 = 436,061.28/x
3. Step 3: Cross multiply
   798,638.56x = 1,102,112.82 × 436,061.28
4. Step 4: Simplify right side
   798,638.56x = 480,588,726,993.61
5. Step 5: Solve for x
   x = 480,588,726,993.61/798,638.56
6. Step 6: Final answer
   x = 601,759.98