Finding the Fourth Proportional to 49,315.33, 73,854.38 and 28,191.34

Step by Step Solution

1. Step 1: Write the proportion equation
   49,315.33 : 73,854.38 = 28,191.34 : x
2. Step 2: Convert to fraction form
   49,315.33/73,854.38 = 28,191.34/x
3. Step 3: Cross multiply
   49,315.33x = 73,854.38 × 28,191.34
4. Step 4: Simplify right side
   49,315.33x = 2,082,054,099.87
5. Step 5: Solve for x
   x = 2,082,054,099.87/49,315.33
6. Step 6: Final answer
   x = 42,219.21