Finding the Fourth Proportional to 11,800.47, 16,282.58 and 7,084.86

Step by Step Solution

1. Step 1: Write the proportion equation
   11,800.47 : 16,282.58 = 7,084.86 : x
2. Step 2: Convert to fraction form
   11,800.47/16,282.58 = 7,084.86/x
3. Step 3: Cross multiply
   11,800.47x = 16,282.58 × 7,084.86
4. Step 4: Simplify right side
   11,800.47x = 115,359,799.74
5. Step 5: Solve for x
   x = 115,359,799.74/11,800.47
6. Step 6: Final answer
   x = 9,775.86