Finding the Fourth Proportional to 70,409.58, 105,613.20 and 17,102.00

Step by Step Solution

1. Step 1: Write the proportion equation
   70,409.58 : 105,613.20 = 17,102.00 : x
2. Step 2: Convert to fraction form
   70,409.58/105,613.20 = 17,102.00/x
3. Step 3: Cross multiply
   70,409.58x = 105,613.20 × 17,102.00
4. Step 4: Simplify right side
   70,409.58x = 1,806,196,418.33
5. Step 5: Solve for x
   x = 1,806,196,418.33/70,409.58
6. Step 6: Final answer
   x = 25,652.71