Finding the Fourth Proportional to 12,404.64, 18,606.84 and 5,003.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,404.64 : 18,606.84 = 5,003.88 : x
2. Step 2: Convert to fraction form
   12,404.64/18,606.84 = 5,003.88/x
3. Step 3: Cross multiply
   12,404.64x = 18,606.84 × 5,003.88
4. Step 4: Simplify right side
   12,404.64x = 93,106,394.54
5. Step 5: Solve for x
   x = 93,106,394.54/12,404.64
6. Step 6: Final answer
   x = 7,505.77