Finding the Fourth Proportional to 11,345.43, 15,645.83 and 7,511.00

Step by Step Solution

1. Step 1: Write the proportion equation
   11,345.43 : 15,645.83 = 7,511.00 : x
2. Step 2: Convert to fraction form
   11,345.43/15,645.83 = 7,511.00/x
3. Step 3: Cross multiply
   11,345.43x = 15,645.83 × 7,511.00
4. Step 4: Simplify right side
   11,345.43x = 117,515,713.35
5. Step 5: Solve for x
   x = 117,515,713.35/11,345.43
6. Step 6: Final answer
   x = 10,357.98