Finding the Fourth Proportional to 117,091.05, 175,636.98 and 28,344.42

Step by Step Solution

1. Step 1: Write the proportion equation
   117,091.05 : 175,636.98 = 28,344.42 : x
2. Step 2: Convert to fraction form
   117,091.05/175,636.98 = 28,344.42/x
3. Step 3: Cross multiply
   117,091.05x = 175,636.98 × 28,344.42
4. Step 4: Simplify right side
   117,091.05x = 4,978,327,450.47
5. Step 5: Solve for x
   x = 4,978,327,450.47/117,091.05
6. Step 6: Final answer
   x = 42,516.72