Finding the Fourth Proportional to 9,699.14, 13,384.69 and 5,507.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,699.14 : 13,384.69 = 5,507.12 : x
2. Step 2: Convert to fraction form
   9,699.14/13,384.69 = 5,507.12/x
3. Step 3: Cross multiply
   9,699.14x = 13,384.69 × 5,507.12
4. Step 4: Simplify right side
   9,699.14x = 73,710,999.53
5. Step 5: Solve for x
   x = 73,710,999.53/9,699.14
6. Step 6: Final answer
   x = 7,599.75