Finding the Fourth Proportional to 84,081.21, 116,011.89 and 47,774.67

Step by Step Solution

1. Step 1: Write the proportion equation
   84,081.21 : 116,011.89 = 47,774.67 : x
2. Step 2: Convert to fraction form
   84,081.21/116,011.89 = 47,774.67/x
3. Step 3: Cross multiply
   84,081.21x = 116,011.89 × 47,774.67
4. Step 4: Simplify right side
   84,081.21x = 5,542,429,760.83
5. Step 5: Solve for x
   x = 5,542,429,760.83/84,081.21
6. Step 6: Final answer
   x = 65,917.58