Finding the Fourth Proportional to 91,900.87, 137,869.75 and 41,967.56

Step by Step Solution

1. Step 1: Write the proportion equation
   91,900.87 : 137,869.75 = 41,967.56 : x
2. Step 2: Convert to fraction form
   91,900.87/137,869.75 = 41,967.56/x
3. Step 3: Cross multiply
   91,900.87x = 137,869.75 × 41,967.56
4. Step 4: Simplify right side
   91,900.87x = 5,786,057,005.31
5. Step 5: Solve for x
   x = 5,786,057,005.31/91,900.87
6. Step 6: Final answer
   x = 62,959.76