Finding the Fourth Proportional to 91,900.62, 137,869.38 and 41,967.31

Step by Step Solution

1. Step 1: Write the proportion equation
   91,900.62 : 137,869.38 = 41,967.31 : x
2. Step 2: Convert to fraction form
   91,900.62/137,869.38 = 41,967.31/x
3. Step 3: Cross multiply
   91,900.62x = 137,869.38 × 41,967.31
4. Step 4: Simplify right side
   91,900.62x = 5,786,006,665.29
5. Step 5: Solve for x
   x = 5,786,006,665.29/91,900.62
6. Step 6: Final answer
   x = 62,959.39