Finding the Fourth Proportional to 70,536.48, 105,804.22 and 17,945.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,536.48 : 105,804.22 = 17,945.50 : x
2. Step 2: Convert to fraction form
   70,536.48/105,804.22 = 17,945.50/x
3. Step 3: Cross multiply
   70,536.48x = 105,804.22 × 17,945.50
4. Step 4: Simplify right side
   70,536.48x = 1,898,709,630.01
5. Step 5: Solve for x
   x = 1,898,709,630.01/70,536.48
6. Step 6: Final answer
   x = 26,918.12