Finding the Fourth Proportional to 11,816.77, 17,716.37 and 5,152.01

Step by Step Solution

1. Step 1: Write the proportion equation
   11,816.77 : 17,716.37 = 5,152.01 : x
2. Step 2: Convert to fraction form
   11,816.77/17,716.37 = 5,152.01/x
3. Step 3: Cross multiply
   11,816.77x = 17,716.37 × 5,152.01
4. Step 4: Simplify right side
   11,816.77x = 91,274,915.40
5. Step 5: Solve for x
   x = 91,274,915.40/11,816.77
6. Step 6: Final answer
   x = 7,724.18