Finding the Fourth Proportional to 34,314.66, 51,476.15 and 12,123.50

Step by Step Solution

1. Step 1: Write the proportion equation
   34,314.66 : 51,476.15 = 12,123.50 : x
2. Step 2: Convert to fraction form
   34,314.66/51,476.15 = 12,123.50/x
3. Step 3: Cross multiply
   34,314.66x = 51,476.15 × 12,123.50
4. Step 4: Simplify right side
   34,314.66x = 624,070,786.53
5. Step 5: Solve for x
   x = 624,070,786.53/34,314.66
6. Step 6: Final answer
   x = 18,186.71