Finding the Fourth Proportional to 11,982.17, 16,518.71 and 7,502.91

Step by Step Solution

1. Step 1: Write the proportion equation
   11,982.17 : 16,518.71 = 7,502.91 : x
2. Step 2: Convert to fraction form
   11,982.17/16,518.71 = 7,502.91/x
3. Step 3: Cross multiply
   11,982.17x = 16,518.71 × 7,502.91
4. Step 4: Simplify right side
   11,982.17x = 123,938,356.93
5. Step 5: Solve for x
   x = 123,938,356.93/11,982.17
6. Step 6: Final answer
   x = 10,343.57