Finding the Fourth Proportional to 1,300.37, 1,950.37 and 422.87

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.37 : 1,950.37 = 422.87 : x
2. Step 2: Convert to fraction form
   1,300.37/1,950.37 = 422.87/x
3. Step 3: Cross multiply
   1,300.37x = 1,950.37 × 422.87
4. Step 4: Simplify right side
   1,300.37x = 824,742.15
5. Step 5: Solve for x
   x = 824,742.15/1,300.37
6. Step 6: Final answer
   x = 634.24