Finding the Fourth Proportional to 12,503.78, 18,760.71 and 4,714.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,503.78 : 18,760.71 = 4,714.82 : x
2. Step 2: Convert to fraction form
   12,503.78/18,760.71 = 4,714.82/x
3. Step 3: Cross multiply
   12,503.78x = 18,760.71 × 4,714.82
4. Step 4: Simplify right side
   12,503.78x = 88,453,370.72
5. Step 5: Solve for x
   x = 88,453,370.72/12,503.78
6. Step 6: Final answer
   x = 7,074.13