Finding the Fourth Proportional to 42,698.07, 64,003.35 and 17,752.59

Step by Step Solution

1. Step 1: Write the proportion equation
   42,698.07 : 64,003.35 = 17,752.59 : x
2. Step 2: Convert to fraction form
   42,698.07/64,003.35 = 17,752.59/x
3. Step 3: Cross multiply
   42,698.07x = 64,003.35 × 17,752.59
4. Step 4: Simplify right side
   42,698.07x = 1,136,225,231.18
5. Step 5: Solve for x
   x = 1,136,225,231.18/42,698.07
6. Step 6: Final answer
   x = 26,610.69