Finding the Fourth Proportional to 13,817.96, 19,068.78 and 7,530.32

Step by Step Solution

1. Step 1: Write the proportion equation
   13,817.96 : 19,068.78 = 7,530.32 : x
2. Step 2: Convert to fraction form
   13,817.96/19,068.78 = 7,530.32/x
3. Step 3: Cross multiply
   13,817.96x = 19,068.78 × 7,530.32
4. Step 4: Simplify right side
   13,817.96x = 143,594,015.41
5. Step 5: Solve for x
   x = 143,594,015.41/13,817.96
6. Step 6: Final answer
   x = 10,391.84