Finding the Fourth Proportional to 10,618.53, 14,653.22 and 5,902.71

Step by Step Solution

1. Step 1: Write the proportion equation
   10,618.53 : 14,653.22 = 5,902.71 : x
2. Step 2: Convert to fraction form
   10,618.53/14,653.22 = 5,902.71/x
3. Step 3: Cross multiply
   10,618.53x = 14,653.22 × 5,902.71
4. Step 4: Simplify right side
   10,618.53x = 86,493,678.71
5. Step 5: Solve for x
   x = 86,493,678.71/10,618.53
6. Step 6: Final answer
   x = 8,145.54