Finding the Fourth Proportional to 11,830.82, 16,321.51 and 7,580.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,830.82 : 16,321.51 = 7,580.52 : x
2. Step 2: Convert to fraction form
   11,830.82/16,321.51 = 7,580.52/x
3. Step 3: Cross multiply
   11,830.82x = 16,321.51 × 7,580.52
4. Step 4: Simplify right side
   11,830.82x = 123,725,518.69
5. Step 5: Solve for x
   x = 123,725,518.69/11,830.82
6. Step 6: Final answer
   x = 10,457.90