Finding the Fourth Proportional to 47,494.21, 71,322.82 and 42,169.43

Step by Step Solution

1. Step 1: Write the proportion equation
   47,494.21 : 71,322.82 = 42,169.43 : x
2. Step 2: Convert to fraction form
   47,494.21/71,322.82 = 42,169.43/x
3. Step 3: Cross multiply
   47,494.21x = 71,322.82 × 42,169.43
4. Step 4: Simplify right side
   47,494.21x = 3,007,642,308.78
5. Step 5: Solve for x
   x = 3,007,642,308.78/47,494.21
6. Step 6: Final answer
   x = 63,326.50