Finding the Fourth Proportional to 11,908.86, 17,857.50 and 3,587.32

Step by Step Solution

1. Step 1: Write the proportion equation
   11,908.86 : 17,857.50 = 3,587.32 : x
2. Step 2: Convert to fraction form
   11,908.86/17,857.50 = 3,587.32/x
3. Step 3: Cross multiply
   11,908.86x = 17,857.50 × 3,587.32
4. Step 4: Simplify right side
   11,908.86x = 64,060,575.77
5. Step 5: Solve for x
   x = 64,060,575.77/11,908.86
6. Step 6: Final answer
   x = 5,379.24