Finding the Fourth Proportional to 70,537.48, 105,805.72 and 17,946.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,537.48 : 105,805.72 = 17,946.50 : x
2. Step 2: Convert to fraction form
   70,537.48/105,805.72 = 17,946.50/x
3. Step 3: Cross multiply
   70,537.48x = 105,805.72 × 17,946.50
4. Step 4: Simplify right side
   70,537.48x = 1,898,842,353.98
5. Step 5: Solve for x
   x = 1,898,842,353.98/70,537.48
6. Step 6: Final answer
   x = 26,919.62