Finding the Fourth Proportional to 13,817.88, 19,068.80 and 7,530.39

Step by Step Solution

1. Step 1: Write the proportion equation
   13,817.88 : 19,068.80 = 7,530.39 : x
2. Step 2: Convert to fraction form
   13,817.88/19,068.80 = 7,530.39/x
3. Step 3: Cross multiply
   13,817.88x = 19,068.80 × 7,530.39
4. Step 4: Simplify right side
   13,817.88x = 143,595,424.31
5. Step 5: Solve for x
   x = 143,595,424.31/13,817.88
6. Step 6: Final answer
   x = 10,392.00