Finding the Fourth Proportional to 22,051.76, 30,432.12 and 12,619.76

Step by Step Solution

1. Step 1: Write the proportion equation
   22,051.76 : 30,432.12 = 12,619.76 : x
2. Step 2: Convert to fraction form
   22,051.76/30,432.12 = 12,619.76/x
3. Step 3: Cross multiply
   22,051.76x = 30,432.12 × 12,619.76
4. Step 4: Simplify right side
   22,051.76x = 384,046,050.69
5. Step 5: Solve for x
   x = 384,046,050.69/22,051.76
6. Step 6: Final answer
   x = 17,415.66