Finding the Fourth Proportional to 47,233.21, 70,479.79 and 42,268.72

Step by Step Solution

1. Step 1: Write the proportion equation
   47,233.21 : 70,479.79 = 42,268.72 : x
2. Step 2: Convert to fraction form
   47,233.21/70,479.79 = 42,268.72/x
3. Step 3: Cross multiply
   47,233.21x = 70,479.79 × 42,268.72
4. Step 4: Simplify right side
   47,233.21x = 2,979,090,509.17
5. Step 5: Solve for x
   x = 2,979,090,509.17/47,233.21
6. Step 6: Final answer
   x = 63,071.95