Finding the Fourth Proportional to 1,271,662.72, 1,907,757.73 and 373,133.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,271,662.72 : 1,907,757.73 = 373,133.77 : x
2. Step 2: Convert to fraction form
   1,271,662.72/1,907,757.73 = 373,133.77/x
3. Step 3: Cross multiply
   1,271,662.72x = 1,907,757.73 × 373,133.77
4. Step 4: Simplify right side
   1,271,662.72x = 711,848,834,041.54
5. Step 5: Solve for x
   x = 711,848,834,041.54/1,271,662.72
6. Step 6: Final answer
   x = 559,778.02