Finding the Fourth Proportional to 1,930,410.71, 2,661,771.86 and 1,231,751.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,930,410.71 : 2,661,771.86 = 1,231,751.69 : x
2. Step 2: Convert to fraction form
   1,930,410.71/2,661,771.86 = 1,231,751.69/x
3. Step 3: Cross multiply
   1,930,410.71x = 2,661,771.86 × 1,231,751.69
4. Step 4: Simplify right side
   1,930,410.71x = 3,278,641,973,640.58
5. Step 5: Solve for x
   x = 3,278,641,973,640.58/1,930,410.71
6. Step 6: Final answer
   x = 1,698,416.80