Finding the Fourth Proportional to 12,365.61, 17,063.17 and 7,059.40

Step by Step Solution

1. Step 1: Write the proportion equation
   12,365.61 : 17,063.17 = 7,059.40 : x
2. Step 2: Convert to fraction form
   12,365.61/17,063.17 = 7,059.40/x
3. Step 3: Cross multiply
   12,365.61x = 17,063.17 × 7,059.40
4. Step 4: Simplify right side
   12,365.61x = 120,455,742.30
5. Step 5: Solve for x
   x = 120,455,742.30/12,365.61
6. Step 6: Final answer
   x = 9,741.19