Finding the Fourth Proportional to 12,601.53, 18,885.72 and 5,201.91

Step by Step Solution

1. Step 1: Write the proportion equation
   12,601.53 : 18,885.72 = 5,201.91 : x
2. Step 2: Convert to fraction form
   12,601.53/18,885.72 = 5,201.91/x
3. Step 3: Cross multiply
   12,601.53x = 18,885.72 × 5,201.91
4. Step 4: Simplify right side
   12,601.53x = 98,241,815.73
5. Step 5: Solve for x
   x = 98,241,815.73/12,601.53
6. Step 6: Final answer
   x = 7,796.02