Finding the Fourth Proportional to 13,817.34, 19,068.30 and 7,530.12

Step by Step Solution

1. Step 1: Write the proportion equation
   13,817.34 : 19,068.30 = 7,530.12 : x
2. Step 2: Convert to fraction form
   13,817.34/19,068.30 = 7,530.12/x
3. Step 3: Cross multiply
   13,817.34x = 19,068.30 × 7,530.12
4. Step 4: Simplify right side
   13,817.34x = 143,586,587.20
5. Step 5: Solve for x
   x = 143,586,587.20/13,817.34
6. Step 6: Final answer
   x = 10,391.77