Finding the Fourth Proportional to 9,938.34, 14,907.42 and 3,012.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,938.34 : 14,907.42 = 3,012.84 : x
2. Step 2: Convert to fraction form
   9,938.34/14,907.42 = 3,012.84/x
3. Step 3: Cross multiply
   9,938.34x = 14,907.42 × 3,012.84
4. Step 4: Simplify right side
   9,938.34x = 44,913,671.27
5. Step 5: Solve for x
   x = 44,913,671.27/9,938.34
6. Step 6: Final answer
   x = 4,519.23