Finding the Fourth Proportional to 11,008.53, 15,191.73 and 5,972.76

Step by Step Solution

1. Step 1: Write the proportion equation
   11,008.53 : 15,191.73 = 5,972.76 : x
2. Step 2: Convert to fraction form
   11,008.53/15,191.73 = 5,972.76/x
3. Step 3: Cross multiply
   11,008.53x = 15,191.73 × 5,972.76
4. Step 4: Simplify right side
   11,008.53x = 90,736,557.27
5. Step 5: Solve for x
   x = 90,736,557.27/11,008.53
6. Step 6: Final answer
   x = 8,242.39