Finding the Fourth Proportional to 31,019.22, 46,544.20 and 12,298.84

Step by Step Solution

1. Step 1: Write the proportion equation
   31,019.22 : 46,544.20 = 12,298.84 : x
2. Step 2: Convert to fraction form
   31,019.22/46,544.20 = 12,298.84/x
3. Step 3: Cross multiply
   31,019.22x = 46,544.20 × 12,298.84
4. Step 4: Simplify right side
   31,019.22x = 572,439,521.62
5. Step 5: Solve for x
   x = 572,439,521.62/31,019.22
6. Step 6: Final answer
   x = 18,454.35