Finding the Fourth Proportional to 48,642.72, 72,982.31 and 17,055.15

Step by Step Solution

1. Step 1: Write the proportion equation
   48,642.72 : 72,982.31 = 17,055.15 : x
2. Step 2: Convert to fraction form
   48,642.72/72,982.31 = 17,055.15/x
3. Step 3: Cross multiply
   48,642.72x = 72,982.31 × 17,055.15
4. Step 4: Simplify right side
   48,642.72x = 1,244,724,159.12
5. Step 5: Solve for x
   x = 1,244,724,159.12/48,642.72
6. Step 6: Final answer
   x = 25,589.12