Finding the Fourth Proportional to 91,582.41, 137,393.34 and 28,401.26

Step by Step Solution

1. Step 1: Write the proportion equation
   91,582.41 : 137,393.34 = 28,401.26 : x
2. Step 2: Convert to fraction form
   91,582.41/137,393.34 = 28,401.26/x
3. Step 3: Cross multiply
   91,582.41x = 137,393.34 × 28,401.26
4. Step 4: Simplify right side
   91,582.41x = 3,902,143,284.64
5. Step 5: Solve for x
   x = 3,902,143,284.64/91,582.41
6. Step 6: Final answer
   x = 42,608.00