Finding the Fourth Proportional to 12,499.99, 18,745.43 and 3,731.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,499.99 : 18,745.43 = 3,731.94 : x
2. Step 2: Convert to fraction form
   12,499.99/18,745.43 = 3,731.94/x
3. Step 3: Cross multiply
   12,499.99x = 18,745.43 × 3,731.94
4. Step 4: Simplify right side
   12,499.99x = 69,956,801.37
5. Step 5: Solve for x
   x = 69,956,801.37/12,499.99
6. Step 6: Final answer
   x = 5,596.55