Finding the Fourth Proportional to 34,315.04, 51,476.72 and 12,123.87

Step by Step Solution

1. Step 1: Write the proportion equation
   34,315.04 : 51,476.72 = 12,123.87 : x
2. Step 2: Convert to fraction form
   34,315.04/51,476.72 = 12,123.87/x
3. Step 3: Cross multiply
   34,315.04x = 51,476.72 × 12,123.87
4. Step 4: Simplify right side
   34,315.04x = 624,097,000.69
5. Step 5: Solve for x
   x = 624,097,000.69/34,315.04
6. Step 6: Final answer
   x = 18,187.28