Finding the Fourth Proportional to 10,129.52, 15,196.71 and 3,889.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10,129.52 : 15,196.71 = 3,889.59 : x
2. Step 2: Convert to fraction form
   10,129.52/15,196.71 = 3,889.59/x
3. Step 3: Cross multiply
   10,129.52x = 15,196.71 × 3,889.59
4. Step 4: Simplify right side
   10,129.52x = 59,108,928.85
5. Step 5: Solve for x
   x = 59,108,928.85/10,129.52
6. Step 6: Final answer
   x = 5,835.31