Finding the Fourth Proportional to 1,419,380.45, 2,129,100.56 and 508,622.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,419,380.45 : 2,129,100.56 = 508,622.25 : x
2. Step 2: Convert to fraction form
   1,419,380.45/2,129,100.56 = 508,622.25/x
3. Step 3: Cross multiply
   1,419,380.45x = 2,129,100.56 × 508,622.25
4. Step 4: Simplify right side
   1,419,380.45x = 1,082,907,924,651.81
5. Step 5: Solve for x
   x = 1,082,907,924,651.81/1,419,380.45
6. Step 6: Final answer
   x = 762,944.09