Finding the Fourth Proportional to 9,984.29, 13,779.02 and 5,736.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,984.29 : 13,779.02 = 5,736.05 : x
2. Step 2: Convert to fraction form
   9,984.29/13,779.02 = 5,736.05/x
3. Step 3: Cross multiply
   9,984.29x = 13,779.02 × 5,736.05
4. Step 4: Simplify right side
   9,984.29x = 79,037,050.10
5. Step 5: Solve for x
   x = 79,037,050.10/9,984.29
6. Step 6: Final answer
   x = 7,916.14