Finding the Fourth Proportional to 54,189.76, 74,774.72 and 30,315.52

Step by Step Solution

1. Step 1: Write the proportion equation
   54,189.76 : 74,774.72 = 30,315.52 : x
2. Step 2: Convert to fraction form
   54,189.76/74,774.72 = 30,315.52/x
3. Step 3: Cross multiply
   54,189.76x = 74,774.72 × 30,315.52
4. Step 4: Simplify right side
   54,189.76x = 2,266,834,519.65
5. Step 5: Solve for x
   x = 2,266,834,519.65/54,189.76
6. Step 6: Final answer
   x = 41,831.42