Finding the Fourth Proportional to 9,899.34, 13,660.86 and 5,592.03

Step by Step Solution

1. Step 1: Write the proportion equation
   9,899.34 : 13,660.86 = 5,592.03 : x
2. Step 2: Convert to fraction form
   9,899.34/13,660.86 = 5,592.03/x
3. Step 3: Cross multiply
   9,899.34x = 13,660.86 × 5,592.03
4. Step 4: Simplify right side
   9,899.34x = 76,391,938.95
5. Step 5: Solve for x
   x = 76,391,938.95/9,899.34
6. Step 6: Final answer
   x = 7,716.87