Finding the Fourth Proportional to 70,145.50, 105,218.52 and 17,554.84

Step by Step Solution

1. Step 1: Write the proportion equation
   70,145.50 : 105,218.52 = 17,554.84 : x
2. Step 2: Convert to fraction form
   70,145.50/105,218.52 = 17,554.84/x
3. Step 3: Cross multiply
   70,145.50x = 105,218.52 × 17,554.84
4. Step 4: Simplify right side
   70,145.50x = 1,847,094,283.64
5. Step 5: Solve for x
   x = 1,847,094,283.64/70,145.50
6. Step 6: Final answer
   x = 26,332.33