Finding the Fourth Proportional to 52,196.44, 78,302.82 and 17,128.12

Step by Step Solution

1. Step 1: Write the proportion equation
   52,196.44 : 78,302.82 = 17,128.12 : x
2. Step 2: Convert to fraction form
   52,196.44/78,302.82 = 17,128.12/x
3. Step 3: Cross multiply
   52,196.44x = 78,302.82 × 17,128.12
4. Step 4: Simplify right side
   52,196.44x = 1,341,180,097.30
5. Step 5: Solve for x
   x = 1,341,180,097.30/52,196.44
6. Step 6: Final answer
   x = 25,694.86