Finding the Fourth Proportional to 64,283.72, 88,710.56 and 35,990.42

Step by Step Solution

1. Step 1: Write the proportion equation
   64,283.72 : 88,710.56 = 35,990.42 : x
2. Step 2: Convert to fraction form
   64,283.72/88,710.56 = 35,990.42/x
3. Step 3: Cross multiply
   64,283.72x = 88,710.56 × 35,990.42
4. Step 4: Simplify right side
   64,283.72x = 3,192,730,312.84
5. Step 5: Solve for x
   x = 3,192,730,312.84/64,283.72
6. Step 6: Final answer
   x = 49,666.23