Finding the Fourth Proportional to 11,929.46, 17,891.88 and 3,607.53

Step by Step Solution

1. Step 1: Write the proportion equation
   11,929.46 : 17,891.88 = 3,607.53 : x
2. Step 2: Convert to fraction form
   11,929.46/17,891.88 = 3,607.53/x
3. Step 3: Cross multiply
   11,929.46x = 17,891.88 × 3,607.53
4. Step 4: Simplify right side
   11,929.46x = 64,545,404.40
5. Step 5: Solve for x
   x = 64,545,404.40/11,929.46
6. Step 6: Final answer
   x = 5,410.59