Finding the Fourth Proportional to 13,432.86, 18,529.86 and 12,482.58

Step by Step Solution

1. Step 1: Write the proportion equation
   13,432.86 : 18,529.86 = 12,482.58 : x
2. Step 2: Convert to fraction form
   13,432.86/18,529.86 = 12,482.58/x
3. Step 3: Cross multiply
   13,432.86x = 18,529.86 × 12,482.58
4. Step 4: Simplify right side
   13,432.86x = 231,300,459.84
5. Step 5: Solve for x
   x = 231,300,459.84/13,432.86
6. Step 6: Final answer
   x = 17,219.00