Finding the Fourth Proportional to 1,353,597.42, 2,027,636.37 and 641,465.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,353,597.42 : 2,027,636.37 = 641,465.58 : x
2. Step 2: Convert to fraction form
   1,353,597.42/2,027,636.37 = 641,465.58/x
3. Step 3: Cross multiply
   1,353,597.42x = 2,027,636.37 × 641,465.58
4. Step 4: Simplify right side
   1,353,597.42x = 1,300,658,940,111.14
5. Step 5: Solve for x
   x = 1,300,658,940,111.14/1,353,597.42
6. Step 6: Final answer
   x = 960,890.53