Finding the Fourth Proportional to 64,342.87, 88,791.01 and 35,661.31

Step by Step Solution

1. Step 1: Write the proportion equation
   64,342.87 : 88,791.01 = 35,661.31 : x
2. Step 2: Convert to fraction form
   64,342.87/88,791.01 = 35,661.31/x
3. Step 3: Cross multiply
   64,342.87x = 88,791.01 × 35,661.31
4. Step 4: Simplify right side
   64,342.87x = 3,166,403,732.82
5. Step 5: Solve for x
   x = 3,166,403,732.82/64,342.87
6. Step 6: Final answer
   x = 49,211.42