Finding the Fourth Proportional to 11,835.87, 17,754.74 and 3,938.10

Step by Step Solution

1. Step 1: Write the proportion equation
   11,835.87 : 17,754.74 = 3,938.10 : x
2. Step 2: Convert to fraction form
   11,835.87/17,754.74 = 3,938.10/x
3. Step 3: Cross multiply
   11,835.87x = 17,754.74 × 3,938.10
4. Step 4: Simplify right side
   11,835.87x = 69,919,941.59
5. Step 5: Solve for x
   x = 69,919,941.59/11,835.87
6. Step 6: Final answer
   x = 5,907.46