Finding the Fourth Proportional to 11,782.38, 17,672.52 and 7,070.76

Step by Step Solution

1. Step 1: Write the proportion equation
   11,782.38 : 17,672.52 = 7,070.76 : x
2. Step 2: Convert to fraction form
   11,782.38/17,672.52 = 7,070.76/x
3. Step 3: Cross multiply
   11,782.38x = 17,672.52 × 7,070.76
4. Step 4: Simplify right side
   11,782.38x = 124,958,147.52
5. Step 5: Solve for x
   x = 124,958,147.52/11,782.38
6. Step 6: Final answer
   x = 10,605.51