Finding the Fourth Proportional to 13,077.84, 18,048.30 and 7,412.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,077.84 : 18,048.30 = 7,412.52 : x
2. Step 2: Convert to fraction form
   13,077.84/18,048.30 = 7,412.52/x
3. Step 3: Cross multiply
   13,077.84x = 18,048.30 × 7,412.52
4. Step 4: Simplify right side
   13,077.84x = 133,783,384.72
5. Step 5: Solve for x
   x = 133,783,384.72/13,077.84
6. Step 6: Final answer
   x = 10,229.78