Finding the Fourth Proportional to 58,287.72, 87,431.64 and 16,734.72

Step by Step Solution

1. Step 1: Write the proportion equation
   58,287.72 : 87,431.64 = 16,734.72 : x
2. Step 2: Convert to fraction form
   58,287.72/87,431.64 = 16,734.72/x
3. Step 3: Cross multiply
   58,287.72x = 87,431.64 × 16,734.72
4. Step 4: Simplify right side
   58,287.72x = 1,463,144,014.54
5. Step 5: Solve for x
   x = 1,463,144,014.54/58,287.72
6. Step 6: Final answer
   x = 25,102.10