Finding the Fourth Proportional to 2,158,546.32, 3,237,255.72 and 641,820.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,158,546.32 : 3,237,255.72 = 641,820.84 : x
2. Step 2: Convert to fraction form
   2,158,546.32/3,237,255.72 = 641,820.84/x
3. Step 3: Cross multiply
   2,158,546.32x = 3,237,255.72 × 641,820.84
4. Step 4: Simplify right side
   2,158,546.32x = 2,077,738,185,505.20
5. Step 5: Solve for x
   x = 2,077,738,185,505.20/2,158,546.32
6. Step 6: Final answer
   x = 962,563.63