Finding the Fourth Proportional to 46,152.32, 69,227.46 and 12,871.49

Step by Step Solution

1. Step 1: Write the proportion equation
   46,152.32 : 69,227.46 = 12,871.49 : x
2. Step 2: Convert to fraction form
   46,152.32/69,227.46 = 12,871.49/x
3. Step 3: Cross multiply
   46,152.32x = 69,227.46 × 12,871.49
4. Step 4: Simplify right side
   46,152.32x = 891,060,212.98
5. Step 5: Solve for x
   x = 891,060,212.98/46,152.32
6. Step 6: Final answer
   x = 19,306.95