Finding the Fourth Proportional to 13,089.59, 19,637.82 and 3,729.63

Step by Step Solution

1. Step 1: Write the proportion equation
   13,089.59 : 19,637.82 = 3,729.63 : x
2. Step 2: Convert to fraction form
   13,089.59/19,637.82 = 3,729.63/x
3. Step 3: Cross multiply
   13,089.59x = 19,637.82 × 3,729.63
4. Step 4: Simplify right side
   13,089.59x = 73,241,802.61
5. Step 5: Solve for x
   x = 73,241,802.61/13,089.59
6. Step 6: Final answer
   x = 5,595.43