Finding the Fourth Proportional to 19,837.84, 27,362.64 and 13,558.72

Step by Step Solution

1. Step 1: Write the proportion equation
   19,837.84 : 27,362.64 = 13,558.72 : x
2. Step 2: Convert to fraction form
   19,837.84/27,362.64 = 13,558.72/x
3. Step 3: Cross multiply
   19,837.84x = 27,362.64 × 13,558.72
4. Step 4: Simplify right side
   19,837.84x = 371,002,374.22
5. Step 5: Solve for x
   x = 371,002,374.22/19,837.84
6. Step 6: Final answer
   x = 18,701.75