Finding the Fourth Proportional to 11,550.87, 17,316.59 and 4,972.05

Step by Step Solution

1. Step 1: Write the proportion equation
   11,550.87 : 17,316.59 = 4,972.05 : x
2. Step 2: Convert to fraction form
   11,550.87/17,316.59 = 4,972.05/x
3. Step 3: Cross multiply
   11,550.87x = 17,316.59 × 4,972.05
4. Step 4: Simplify right side
   11,550.87x = 86,098,926.45
5. Step 5: Solve for x
   x = 86,098,926.45/11,550.87
6. Step 6: Final answer
   x = 7,453.89