Finding the Fourth Proportional to 12,498.88, 18,744.54 and 4,176.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,498.88 : 18,744.54 = 4,176.76 : x
2. Step 2: Convert to fraction form
   12,498.88/18,744.54 = 4,176.76/x
3. Step 3: Cross multiply
   12,498.88x = 18,744.54 × 4,176.76
4. Step 4: Simplify right side
   12,498.88x = 78,291,444.89
5. Step 5: Solve for x
   x = 78,291,444.89/12,498.88
6. Step 6: Final answer
   x = 6,263.88