Finding the Fourth Proportional to 2,173,128.94, 3,259,709.34 and 824,928.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,173,128.94 : 3,259,709.34 = 824,928.22 : x
2. Step 2: Convert to fraction form
   2,173,128.94/3,259,709.34 = 824,928.22/x
3. Step 3: Cross multiply
   2,173,128.94x = 3,259,709.34 × 824,928.22
4. Step 4: Simplify right side
   2,173,128.94x = 2,689,026,223,563.57
5. Step 5: Solve for x
   x = 2,689,026,223,563.57/2,173,128.94
6. Step 6: Final answer
   x = 1,237,398.38