Finding the Fourth Proportional to 70,062.37, 105,097.20 and 17,472.31

Step by Step Solution

1. Step 1: Write the proportion equation
   70,062.37 : 105,097.20 = 17,472.31 : x
2. Step 2: Convert to fraction form
   70,062.37/105,097.20 = 17,472.31/x
3. Step 3: Cross multiply
   70,062.37x = 105,097.20 × 17,472.31
4. Step 4: Simplify right side
   70,062.37x = 1,836,290,530.27
5. Step 5: Solve for x
   x = 1,836,290,530.27/70,062.37
6. Step 6: Final answer
   x = 26,209.37