Finding the Fourth Proportional to 13,818.04, 19,068.34 and 7,530.28

Step by Step Solution

1. Step 1: Write the proportion equation
   13,818.04 : 19,068.34 = 7,530.28 : x
2. Step 2: Convert to fraction form
   13,818.04/19,068.34 = 7,530.28/x
3. Step 3: Cross multiply
   13,818.04x = 19,068.34 × 7,530.28
4. Step 4: Simplify right side
   13,818.04x = 143,589,939.34
5. Step 5: Solve for x
   x = 143,589,939.34/13,818.04
6. Step 6: Final answer
   x = 10,391.48