Finding the Fourth Proportional to 42,761.96, 64,144.38 and 11,597.96

Step by Step Solution

1. Step 1: Write the proportion equation
   42,761.96 : 64,144.38 = 11,597.96 : x
2. Step 2: Convert to fraction form
   42,761.96/64,144.38 = 11,597.96/x
3. Step 3: Cross multiply
   42,761.96x = 64,144.38 × 11,597.96
4. Step 4: Simplify right side
   42,761.96x = 743,943,953.46
5. Step 5: Solve for x
   x = 743,943,953.46/42,761.96
6. Step 6: Final answer
   x = 17,397.33