Finding the Fourth Proportional to 11,840.03, 17,762.82 and 3,520.11

Step by Step Solution

1. Step 1: Write the proportion equation
   11,840.03 : 17,762.82 = 3,520.11 : x
2. Step 2: Convert to fraction form
   11,840.03/17,762.82 = 3,520.11/x
3. Step 3: Cross multiply
   11,840.03x = 17,762.82 × 3,520.11
4. Step 4: Simplify right side
   11,840.03x = 62,527,080.31
5. Step 5: Solve for x
   x = 62,527,080.31/11,840.03
6. Step 6: Final answer
   x = 5,280.99