Finding the Fourth Proportional to 11,861.95, 17,756.01 and 7,470.18

Step by Step Solution

1. Step 1: Write the proportion equation
   11,861.95 : 17,756.01 = 7,470.18 : x
2. Step 2: Convert to fraction form
   11,861.95/17,756.01 = 7,470.18/x
3. Step 3: Cross multiply
   11,861.95x = 17,756.01 × 7,470.18
4. Step 4: Simplify right side
   11,861.95x = 132,640,590.78
5. Step 5: Solve for x
   x = 132,640,590.78/11,861.95
6. Step 6: Final answer
   x = 11,182.02