Finding the Fourth Proportional to 12,102.89, 18,152.15 and 3,335.63

Step by Step Solution

1. Step 1: Write the proportion equation
   12,102.89 : 18,152.15 = 3,335.63 : x
2. Step 2: Convert to fraction form
   12,102.89/18,152.15 = 3,335.63/x
3. Step 3: Cross multiply
   12,102.89x = 18,152.15 × 3,335.63
4. Step 4: Simplify right side
   12,102.89x = 60,548,748.67
5. Step 5: Solve for x
   x = 60,548,748.67/12,102.89
6. Step 6: Final answer
   x = 5,002.84