Finding the Fourth Proportional to 42,744.83, 64,129.05 and 17,796.60

Step by Step Solution

1. Step 1: Write the proportion equation
   42,744.83 : 64,129.05 = 17,796.60 : x
2. Step 2: Convert to fraction form
   42,744.83/64,129.05 = 17,796.60/x
3. Step 3: Cross multiply
   42,744.83x = 64,129.05 × 17,796.60
4. Step 4: Simplify right side
   42,744.83x = 1,141,279,051.23
5. Step 5: Solve for x
   x = 1,141,279,051.23/42,744.83
6. Step 6: Final answer
   x = 26,699.82