Finding the Fourth Proportional to 11,598.79, 17,396.00 and 3,278.74

Step by Step Solution

1. Step 1: Write the proportion equation
   11,598.79 : 17,396.00 = 3,278.74 : x
2. Step 2: Convert to fraction form
   11,598.79/17,396.00 = 3,278.74/x
3. Step 3: Cross multiply
   11,598.79x = 17,396.00 × 3,278.74
4. Step 4: Simplify right side
   11,598.79x = 57,037,012.73
5. Step 5: Solve for x
   x = 57,037,012.73/11,598.79
6. Step 6: Final answer
   x = 4,917.50