Finding the Fourth Proportional to 43,320.17, 64,963.86 and 17,010.56

Step by Step Solution

1. Step 1: Write the proportion equation
   43,320.17 : 64,963.86 = 17,010.56 : x
2. Step 2: Convert to fraction form
   43,320.17/64,963.86 = 17,010.56/x
3. Step 3: Cross multiply
   43,320.17x = 64,963.86 × 17,010.56
4. Step 4: Simplify right side
   43,320.17x = 1,105,071,736.98
5. Step 5: Solve for x
   x = 1,105,071,736.98/43,320.17
6. Step 6: Final answer
   x = 25,509.40