Finding the Fourth Proportional to 74,481.53, 102,758.83 and 42,211.53

Step by Step Solution

1. Step 1: Write the proportion equation
   74,481.53 : 102,758.83 = 42,211.53 : x
2. Step 2: Convert to fraction form
   74,481.53/102,758.83 = 42,211.53/x
3. Step 3: Cross multiply
   74,481.53x = 102,758.83 × 42,211.53
4. Step 4: Simplify right side
   74,481.53x = 4,337,607,329.78
5. Step 5: Solve for x
   x = 4,337,607,329.78/74,481.53
6. Step 6: Final answer
   x = 58,237.36