Finding the Fourth Proportional to 11,958.86, 16,498.77 and 7,480.91

Step by Step Solution

1. Step 1: Write the proportion equation
   11,958.86 : 16,498.77 = 7,480.91 : x
2. Step 2: Convert to fraction form
   11,958.86/16,498.77 = 7,480.91/x
3. Step 3: Cross multiply
   11,958.86x = 16,498.77 × 7,480.91
4. Step 4: Simplify right side
   11,958.86x = 123,425,813.48
5. Step 5: Solve for x
   x = 123,425,813.48/11,958.86
6. Step 6: Final answer
   x = 10,320.87