Finding the Fourth Proportional to 1,364,800.79, 2,047,127.38 and 418,174.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,364,800.79 : 2,047,127.38 = 418,174.25 : x
2. Step 2: Convert to fraction form
   1,364,800.79/2,047,127.38 = 418,174.25/x
3. Step 3: Cross multiply
   1,364,800.79x = 2,047,127.38 × 418,174.25
4. Step 4: Simplify right side
   1,364,800.79x = 856,055,945,504.89
5. Step 5: Solve for x
   x = 856,055,945,504.89/1,364,800.79
6. Step 6: Final answer
   x = 627,238.75