Finding the Fourth Proportional to 70,007.86, 105,011.58 and 17,417.34

Step by Step Solution

1. Step 1: Write the proportion equation
   70,007.86 : 105,011.58 = 17,417.34 : x
2. Step 2: Convert to fraction form
   70,007.86/105,011.58 = 17,417.34/x
3. Step 3: Cross multiply
   70,007.86x = 105,011.58 × 17,417.34
4. Step 4: Simplify right side
   70,007.86x = 1,829,022,392.80
5. Step 5: Solve for x
   x = 1,829,022,392.80/70,007.86
6. Step 6: Final answer
   x = 26,125.96