Finding the Fourth Proportional to 81,058.34, 111,840.80 and 47,517.86

Step by Step Solution

1. Step 1: Write the proportion equation
   81,058.34 : 111,840.80 = 47,517.86 : x
2. Step 2: Convert to fraction form
   81,058.34/111,840.80 = 47,517.86/x
3. Step 3: Cross multiply
   81,058.34x = 111,840.80 × 47,517.86
4. Step 4: Simplify right side
   81,058.34x = 5,314,435,476.69
5. Step 5: Solve for x
   x = 5,314,435,476.69/81,058.34
6. Step 6: Final answer
   x = 65,563.09