Finding the Fourth Proportional to 47,019.78, 70,541.82 and 17,446.05

Step by Step Solution

1. Step 1: Write the proportion equation
   47,019.78 : 70,541.82 = 17,446.05 : x
2. Step 2: Convert to fraction form
   47,019.78/70,541.82 = 17,446.05/x
3. Step 3: Cross multiply
   47,019.78x = 70,541.82 × 17,446.05
4. Step 4: Simplify right side
   47,019.78x = 1,230,676,118.81
5. Step 5: Solve for x
   x = 1,230,676,118.81/47,019.78
6. Step 6: Final answer
   x = 26,173.58