Finding the Fourth Proportional to 50,581, 69,801.78 and 28,225.16

Step by Step Solution

1. Step 1: Write the proportion equation
   50,581 : 69,801.78 = 28,225.16 : x
2. Step 2: Convert to fraction form
   50,581/69,801.78 = 28,225.16/x
3. Step 3: Cross multiply
   50,581x = 69,801.78 × 28,225.16
4. Step 4: Simplify right side
   50,581x = 1,970,166,408.78
5. Step 5: Solve for x
   x = 1,970,166,408.78/50,581
6. Step 6: Final answer
   x = 38,950.72