Finding the Fourth Proportional to 43,288.71, 64,969.52 and 17,011.91

Step by Step Solution

1. Step 1: Write the proportion equation
   43,288.71 : 64,969.52 = 17,011.91 : x
2. Step 2: Convert to fraction form
   43,288.71/64,969.52 = 17,011.91/x
3. Step 3: Cross multiply
   43,288.71x = 64,969.52 × 17,011.91
4. Step 4: Simplify right side
   43,288.71x = 1,105,255,217.08
5. Step 5: Solve for x
   x = 1,105,255,217.08/43,288.71
6. Step 6: Final answer
   x = 25,532.18