Finding the Fourth Proportional to 91,984.54, 126,949.16 and 51,152.72

Step by Step Solution

1. Step 1: Write the proportion equation
   91,984.54 : 126,949.16 = 51,152.72 : x
2. Step 2: Convert to fraction form
   91,984.54/126,949.16 = 51,152.72/x
3. Step 3: Cross multiply
   91,984.54x = 126,949.16 × 51,152.72
4. Step 4: Simplify right side
   91,984.54x = 6,493,794,835.72
5. Step 5: Solve for x
   x = 6,493,794,835.72/91,984.54
6. Step 6: Final answer
   x = 70,596.59