Finding the Fourth Proportional to 91,367.72, 126,090.22 and 51,083.18

Step by Step Solution

1. Step 1: Write the proportion equation
   91,367.72 : 126,090.22 = 51,083.18 : x
2. Step 2: Convert to fraction form
   91,367.72/126,090.22 = 51,083.18/x
3. Step 3: Cross multiply
   91,367.72x = 126,090.22 × 51,083.18
4. Step 4: Simplify right side
   91,367.72x = 6,441,089,404.50
5. Step 5: Solve for x
   x = 6,441,089,404.50/91,367.72
6. Step 6: Final answer
   x = 70,496.34