Finding the Fourth Proportional to 10,618.38, 14,654.25 and 5,903.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,618.38 : 14,654.25 = 5,903.10 : x
2. Step 2: Convert to fraction form
   10,618.38/14,654.25 = 5,903.10/x
3. Step 3: Cross multiply
   10,618.38x = 14,654.25 × 5,903.10
4. Step 4: Simplify right side
   10,618.38x = 86,505,503.18
5. Step 5: Solve for x
   x = 86,505,503.18/10,618.38
6. Step 6: Final answer
   x = 8,146.77