Finding the Fourth Proportional to 91,359.48, 137,053.99 and 28,164.82

Step by Step Solution

1. Step 1: Write the proportion equation
   91,359.48 : 137,053.99 = 28,164.82 : x
2. Step 2: Convert to fraction form
   91,359.48/137,053.99 = 28,164.82/x
3. Step 3: Cross multiply
   91,359.48x = 137,053.99 × 28,164.82
4. Step 4: Simplify right side
   91,359.48x = 3,860,100,958.63
5. Step 5: Solve for x
   x = 3,860,100,958.63/91,359.48
6. Step 6: Final answer
   x = 42,251.78