Finding the Fourth Proportional to 70,415.67, 105,623.59 and 17,825.16

Step by Step Solution

1. Step 1: Write the proportion equation
   70,415.67 : 105,623.59 = 17,825.16 : x
2. Step 2: Convert to fraction form
   70,415.67/105,623.59 = 17,825.16/x
3. Step 3: Cross multiply
   70,415.67x = 105,623.59 × 17,825.16
4. Step 4: Simplify right side
   70,415.67x = 1,882,757,391.52
5. Step 5: Solve for x
   x = 1,882,757,391.52/70,415.67
6. Step 6: Final answer
   x = 26,737.76