Finding the Fourth Proportional to 32,918.30, 49,377.23 and 13,196.58

Step by Step Solution

1. Step 1: Write the proportion equation
   32,918.30 : 49,377.23 = 13,196.58 : x
2. Step 2: Convert to fraction form
   32,918.30/49,377.23 = 13,196.58/x
3. Step 3: Cross multiply
   32,918.30x = 49,377.23 × 13,196.58
4. Step 4: Simplify right side
   32,918.30x = 651,610,499.89
5. Step 5: Solve for x
   x = 651,610,499.89/32,918.30
6. Step 6: Final answer
   x = 19,794.78