Finding the Fourth Proportional to 1,277,081.69, 1,762,384.65 and 704,142.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,277,081.69 : 1,762,384.65 = 704,142.23 : x
2. Step 2: Convert to fraction form
   1,277,081.69/1,762,384.65 = 704,142.23/x
3. Step 3: Cross multiply
   1,277,081.69x = 1,762,384.65 × 704,142.23
4. Step 4: Simplify right side
   1,277,081.69x = 1,240,969,457,568.77
5. Step 5: Solve for x
   x = 1,240,969,457,568.77/1,277,081.69
6. Step 6: Final answer
   x = 971,722.85