Finding the Fourth Proportional to 12,513.55, 18,764.79 and 3,746.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,513.55 : 18,764.79 = 3,746.83 : x
2. Step 2: Convert to fraction form
   12,513.55/18,764.79 = 3,746.83/x
3. Step 3: Cross multiply
   12,513.55x = 18,764.79 × 3,746.83
4. Step 4: Simplify right side
   12,513.55x = 70,308,478.12
5. Step 5: Solve for x
   x = 70,308,478.12/12,513.55
6. Step 6: Final answer
   x = 5,618.59