Finding the Fourth Proportional to 12,483.90, 17,225.82 and 7,177.68

Step by Step Solution

1. Step 1: Write the proportion equation
   12,483.90 : 17,225.82 = 7,177.68 : x
2. Step 2: Convert to fraction form
   12,483.90/17,225.82 = 7,177.68/x
3. Step 3: Cross multiply
   12,483.90x = 17,225.82 × 7,177.68
4. Step 4: Simplify right side
   12,483.90x = 123,641,423.70
5. Step 5: Solve for x
   x = 123,641,423.70/12,483.90
6. Step 6: Final answer
   x = 9,904.07