Finding the Fourth Proportional to 158,646, 237,978.72 and 47,838

Step by Step Solution

1. Step 1: Write the proportion equation
   158,646 : 237,978.72 = 47,838 : x
2. Step 2: Convert to fraction form
   158,646/237,978.72 = 47,838/x
3. Step 3: Cross multiply
   158,646x = 237,978.72 × 47,838
4. Step 4: Simplify right side
   158,646x = 11,384,426,007.36
5. Step 5: Solve for x
   x = 11,384,426,007.36/158,646
6. Step 6: Final answer
   x = 71,759.93