Finding the Fourth Proportional to 85,393.72, 117,841.26 and 47,667.88

Step by Step Solution

1. Step 1: Write the proportion equation
   85,393.72 : 117,841.26 = 47,667.88 : x
2. Step 2: Convert to fraction form
   85,393.72/117,841.26 = 47,667.88/x
3. Step 3: Cross multiply
   85,393.72x = 117,841.26 × 47,667.88
4. Step 4: Simplify right side
   85,393.72x = 5,617,243,040.73
5. Step 5: Solve for x
   x = 5,617,243,040.73/85,393.72
6. Step 6: Final answer
   x = 65,780.52