Finding the Fourth Proportional to 70,503.31, 105,753.57 and 17,195.48

Step by Step Solution

1. Step 1: Write the proportion equation
   70,503.31 : 105,753.57 = 17,195.48 : x
2. Step 2: Convert to fraction form
   70,503.31/105,753.57 = 17,195.48/x
3. Step 3: Cross multiply
   70,503.31x = 105,753.57 × 17,195.48
4. Step 4: Simplify right side
   70,503.31x = 1,818,483,397.86
5. Step 5: Solve for x
   x = 1,818,483,397.86/70,503.31
6. Step 6: Final answer
   x = 25,792.88