Finding the Fourth Proportional to 31,124.46, 46,667.82 and 12,407.34

Step by Step Solution

1. Step 1: Write the proportion equation
   31,124.46 : 46,667.82 = 12,407.34 : x
2. Step 2: Convert to fraction form
   31,124.46/46,667.82 = 12,407.34/x
3. Step 3: Cross multiply
   31,124.46x = 46,667.82 × 12,407.34
4. Step 4: Simplify right side
   31,124.46x = 579,023,509.80
5. Step 5: Solve for x
   x = 579,023,509.80/31,124.46
6. Step 6: Final answer
   x = 18,603.49