Finding the Fourth Proportional to 11,840.88, 17,762.20 and 3,075.84

Step by Step Solution

1. Step 1: Write the proportion equation
   11,840.88 : 17,762.20 = 3,075.84 : x
2. Step 2: Convert to fraction form
   11,840.88/17,762.20 = 3,075.84/x
3. Step 3: Cross multiply
   11,840.88x = 17,762.20 × 3,075.84
4. Step 4: Simplify right side
   11,840.88x = 54,633,685.25
5. Step 5: Solve for x
   x = 54,633,685.25/11,840.88
6. Step 6: Final answer
   x = 4,613.99