Finding the Fourth Proportional to 9,984.79, 13,780.70 and 5,795.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,984.79 : 13,780.70 = 5,795.47 : x
2. Step 2: Convert to fraction form
   9,984.79/13,780.70 = 5,795.47/x
3. Step 3: Cross multiply
   9,984.79x = 13,780.70 × 5,795.47
4. Step 4: Simplify right side
   9,984.79x = 79,865,633.43
5. Step 5: Solve for x
   x = 79,865,633.43/9,984.79
6. Step 6: Final answer
   x = 7,998.73