Finding the Fourth Proportional to 70,150.47, 105,225.57 and 17,559.87

Step by Step Solution

1. Step 1: Write the proportion equation
   70,150.47 : 105,225.57 = 17,559.87 : x
2. Step 2: Convert to fraction form
   70,150.47/105,225.57 = 17,559.87/x
3. Step 3: Cross multiply
   70,150.47x = 105,225.57 × 17,559.87
4. Step 4: Simplify right side
   70,150.47x = 1,847,747,329.88
5. Step 5: Solve for x
   x = 1,847,747,329.88/70,150.47
6. Step 6: Final answer
   x = 26,339.77