Finding the Fourth Proportional to 12,488.70, 17,233.96 and 7,184.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,488.70 : 17,233.96 = 7,184.34 : x
2. Step 2: Convert to fraction form
   12,488.70/17,233.96 = 7,184.34/x
3. Step 3: Cross multiply
   12,488.70x = 17,233.96 × 7,184.34
4. Step 4: Simplify right side
   12,488.70x = 123,814,628.19
5. Step 5: Solve for x
   x = 123,814,628.19/12,488.70
6. Step 6: Final answer
   x = 9,914.13