Finding the Fourth Proportional to 2,093.15, 3,139.71 and 632.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,093.15 : 3,139.71 = 632.30 : x
2. Step 2: Convert to fraction form
   2,093.15/3,139.71 = 632.30/x
3. Step 3: Cross multiply
   2,093.15x = 3,139.71 × 632.30
4. Step 4: Simplify right side
   2,093.15x = 1,985,222.93
5. Step 5: Solve for x
   x = 1,985,222.93/2,093.15
6. Step 6: Final answer
   x = 948.44