Finding the Fourth Proportional to 70,093.68, 105,173.34 and 30,645.69

Step by Step Solution

1. Step 1: Write the proportion equation
   70,093.68 : 105,173.34 = 30,645.69 : x
2. Step 2: Convert to fraction form
   70,093.68/105,173.34 = 30,645.69/x
3. Step 3: Cross multiply
   70,093.68x = 105,173.34 × 30,645.69
4. Step 4: Simplify right side
   70,093.68x = 3,223,109,573.90
5. Step 5: Solve for x
   x = 3,223,109,573.90/70,093.68
6. Step 6: Final answer
   x = 45,982.88