Finding the Fourth Proportional to 1,716,139.33, 2,574,360.27 and 636,664.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,716,139.33 : 2,574,360.27 = 636,664.39 : x
2. Step 2: Convert to fraction form
   1,716,139.33/2,574,360.27 = 636,664.39/x
3. Step 3: Cross multiply
   1,716,139.33x = 2,574,360.27 × 636,664.39
4. Step 4: Simplify right side
   1,716,139.33x = 1,639,003,504,503.88
5. Step 5: Solve for x
   x = 1,639,003,504,503.88/1,716,139.33
6. Step 6: Final answer
   x = 955,052.70