Finding the Fourth Proportional to 1,597,136.62, 2,204,100.69 and 872,039.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,597,136.62 : 2,204,100.69 = 872,039.50 : x
2. Step 2: Convert to fraction form
   1,597,136.62/2,204,100.69 = 872,039.50/x
3. Step 3: Cross multiply
   1,597,136.62x = 2,204,100.69 × 872,039.50
4. Step 4: Simplify right side
   1,597,136.62x = 1,922,062,863,657.26
5. Step 5: Solve for x
   x = 1,922,062,863,657.26/1,597,136.62
6. Step 6: Final answer
   x = 1,203,442.99