Finding the Fourth Proportional to 12,513.61, 18,764.88 and 3,746.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,513.61 : 18,764.88 = 3,746.89 : x
2. Step 2: Convert to fraction form
   12,513.61/18,764.88 = 3,746.89/x
3. Step 3: Cross multiply
   12,513.61x = 18,764.88 × 3,746.89
4. Step 4: Simplify right side
   12,513.61x = 70,309,997.50
5. Step 5: Solve for x
   x = 70,309,997.50/12,513.61
6. Step 6: Final answer
   x = 5,618.68