Finding the Fourth Proportional to 2,126,162.34, 3,189,256.20 and 528,725.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,126,162.34 : 3,189,256.20 = 528,725.43 : x
2. Step 2: Convert to fraction form
   2,126,162.34/3,189,256.20 = 528,725.43/x
3. Step 3: Cross multiply
   2,126,162.34x = 3,189,256.20 × 528,725.43
4. Step 4: Simplify right side
   2,126,162.34x = 1,686,240,855,725.17
5. Step 5: Solve for x
   x = 1,686,240,855,725.17/2,126,162.34
6. Step 6: Final answer
   x = 793,091.30