Finding the Fourth Proportional to 10,618.59, 14,653.71 and 5,902.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,618.59 : 14,653.71 = 5,902.88 : x
2. Step 2: Convert to fraction form
   10,618.59/14,653.71 = 5,902.88/x
3. Step 3: Cross multiply
   10,618.59x = 14,653.71 × 5,902.88
4. Step 4: Simplify right side
   10,618.59x = 86,499,018.42
5. Step 5: Solve for x
   x = 86,499,018.42/10,618.59
6. Step 6: Final answer
   x = 8,146.00