Finding the Fourth Proportional to 117,072.96, 175,609.89 and 28,326.33

Step by Step Solution

1. Step 1: Write the proportion equation
   117,072.96 : 175,609.89 = 28,326.33 : x
2. Step 2: Convert to fraction form
   117,072.96/175,609.89 = 28,326.33/x
3. Step 3: Cross multiply
   117,072.96x = 175,609.89 × 28,326.33
4. Step 4: Simplify right side
   117,072.96x = 4,974,383,695.40
5. Step 5: Solve for x
   x = 4,974,383,695.40/117,072.96
6. Step 6: Final answer
   x = 42,489.60