Finding the Fourth Proportional to 10,159.83, 15,236.61 and 3,919.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,159.83 : 15,236.61 = 3,919.32 : x
2. Step 2: Convert to fraction form
   10,159.83/15,236.61 = 3,919.32/x
3. Step 3: Cross multiply
   10,159.83x = 15,236.61 × 3,919.32
4. Step 4: Simplify right side
   10,159.83x = 59,717,135.61
5. Step 5: Solve for x
   x = 59,717,135.61/10,159.83
6. Step 6: Final answer
   x = 5,877.77