Finding the Fourth Proportional to 13,003.53, 19,493.66 and 4,681.59

Step by Step Solution

1. Step 1: Write the proportion equation
   13,003.53 : 19,493.66 = 4,681.59 : x
2. Step 2: Convert to fraction form
   13,003.53/19,493.66 = 4,681.59/x
3. Step 3: Cross multiply
   13,003.53x = 19,493.66 × 4,681.59
4. Step 4: Simplify right side
   13,003.53x = 91,261,300.31
5. Step 5: Solve for x
   x = 91,261,300.31/13,003.53
6. Step 6: Final answer
   x = 7,018.19