Finding the Fourth Proportional to 91,425.82, 137,089.42 and 41,478.66

Step by Step Solution

1. Step 1: Write the proportion equation
   91,425.82 : 137,089.42 = 41,478.66 : x
2. Step 2: Convert to fraction form
   91,425.82/137,089.42 = 41,478.66/x
3. Step 3: Cross multiply
   91,425.82x = 137,089.42 × 41,478.66
4. Step 4: Simplify right side
   91,425.82x = 5,686,285,784.50
5. Step 5: Solve for x
   x = 5,686,285,784.50/91,425.82
6. Step 6: Final answer
   x = 62,195.62