Finding the Fourth Proportional to 42,733.08, 64,107.72 and 17,759.57

Step by Step Solution

1. Step 1: Write the proportion equation
   42,733.08 : 64,107.72 = 17,759.57 : x
2. Step 2: Convert to fraction form
   42,733.08/64,107.72 = 17,759.57/x
3. Step 3: Cross multiply
   42,733.08x = 64,107.72 × 17,759.57
4. Step 4: Simplify right side
   42,733.08x = 1,138,525,220.34
5. Step 5: Solve for x
   x = 1,138,525,220.34/42,733.08
6. Step 6: Final answer
   x = 26,642.71