Finding the Fourth Proportional to 91,499.04, 126,269.30 and 51,216.53

Step by Step Solution

1. Step 1: Write the proportion equation
   91,499.04 : 126,269.30 = 51,216.53 : x
2. Step 2: Convert to fraction form
   91,499.04/126,269.30 = 51,216.53/x
3. Step 3: Cross multiply
   91,499.04x = 126,269.30 × 51,216.53
4. Step 4: Simplify right side
   91,499.04x = 6,467,074,504.10
5. Step 5: Solve for x
   x = 6,467,074,504.10/91,499.04
6. Step 6: Final answer
   x = 70,679.15