Finding the Fourth Proportional to 12,500.34, 18,748.77 and 4,180.17

Step by Step Solution

1. Step 1: Write the proportion equation
   12,500.34 : 18,748.77 = 4,180.17 : x
2. Step 2: Convert to fraction form
   12,500.34/18,748.77 = 4,180.17/x
3. Step 3: Cross multiply
   12,500.34x = 18,748.77 × 4,180.17
4. Step 4: Simplify right side
   12,500.34x = 78,373,045.89
5. Step 5: Solve for x
   x = 78,373,045.89/12,500.34
6. Step 6: Final answer
   x = 6,269.67