Finding the Fourth Proportional to 111,148.52, 166,672.35 and 47,938.77

Step by Step Solution

1. Step 1: Write the proportion equation
   111,148.52 : 166,672.35 = 47,938.77 : x
2. Step 2: Convert to fraction form
   111,148.52/166,672.35 = 47,938.77/x
3. Step 3: Cross multiply
   111,148.52x = 166,672.35 × 47,938.77
4. Step 4: Simplify right side
   111,148.52x = 7,990,067,452.01
5. Step 5: Solve for x
   x = 7,990,067,452.01/111,148.52
6. Step 6: Final answer
   x = 71,886.41