Finding the Fourth Proportional to 91,393.80, 126,123.78 and 53,162.52

Step by Step Solution

1. Step 1: Write the proportion equation
   91,393.80 : 126,123.78 = 53,162.52 : x
2. Step 2: Convert to fraction form
   91,393.80/126,123.78 = 53,162.52/x
3. Step 3: Cross multiply
   91,393.80x = 126,123.78 × 53,162.52
4. Step 4: Simplify right side
   91,393.80x = 6,705,057,976.73
5. Step 5: Solve for x
   x = 6,705,057,976.73/91,393.80
6. Step 6: Final answer
   x = 73,364.47