Finding the Fourth Proportional to 64,435.91, 96,642.72 and 17,051.31

Step by Step Solution

1. Step 1: Write the proportion equation
   64,435.91 : 96,642.72 = 17,051.31 : x
2. Step 2: Convert to fraction form
   64,435.91/96,642.72 = 17,051.31/x
3. Step 3: Cross multiply
   64,435.91x = 96,642.72 × 17,051.31
4. Step 4: Simplify right side
   64,435.91x = 1,647,884,977.96
5. Step 5: Solve for x
   x = 1,647,884,977.96/64,435.91
6. Step 6: Final answer
   x = 25,574.02