Finding the Fourth Proportional to 1,427,490.50, 2,141,796.18 and 628,211.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,427,490.50 : 2,141,796.18 = 628,211.37 : x
2. Step 2: Convert to fraction form
   1,427,490.50/2,141,796.18 = 628,211.37/x
3. Step 3: Cross multiply
   1,427,490.50x = 2,141,796.18 × 628,211.37
4. Step 4: Simplify right side
   1,427,490.50x = 1,345,500,716,282.53
5. Step 5: Solve for x
   x = 1,345,500,716,282.53/1,427,490.50
6. Step 6: Final answer
   x = 942,563.69