Finding the Fourth Proportional to 1,271,516.37, 1,906,978.91 and 473,173.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,271,516.37 : 1,906,978.91 = 473,173.89 : x
2. Step 2: Convert to fraction form
   1,271,516.37/1,906,978.91 = 473,173.89/x
3. Step 3: Cross multiply
   1,271,516.37x = 1,906,978.91 × 473,173.89
4. Step 4: Simplify right side
   1,271,516.37x = 902,332,626,626.79
5. Step 5: Solve for x
   x = 902,332,626,626.79/1,271,516.37
6. Step 6: Final answer
   x = 709,650.81