Finding the Fourth Proportional to 10,707.18, 16,068.65 and 5,084.87

Step by Step Solution

1. Step 1: Write the proportion equation
   10,707.18 : 16,068.65 = 5,084.87 : x
2. Step 2: Convert to fraction form
   10,707.18/16,068.65 = 5,084.87/x
3. Step 3: Cross multiply
   10,707.18x = 16,068.65 × 5,084.87
4. Step 4: Simplify right side
   10,707.18x = 81,706,996.33
5. Step 5: Solve for x
   x = 81,706,996.33/10,707.18
6. Step 6: Final answer
   x = 7,631.05