Finding the Fourth Proportional to 12,714.61, 19,072.03 and 5,222.29

Step by Step Solution

1. Step 1: Write the proportion equation
   12,714.61 : 19,072.03 = 5,222.29 : x
2. Step 2: Convert to fraction form
   12,714.61/19,072.03 = 5,222.29/x
3. Step 3: Cross multiply
   12,714.61x = 19,072.03 × 5,222.29
4. Step 4: Simplify right side
   12,714.61x = 99,599,671.55
5. Step 5: Solve for x
   x = 99,599,671.55/12,714.61
6. Step 6: Final answer
   x = 7,833.48