Finding the Fourth Proportional to 64,079.76, 88,434.54 and 35,786.46

Step by Step Solution

1. Step 1: Write the proportion equation
   64,079.76 : 88,434.54 = 35,786.46 : x
2. Step 2: Convert to fraction form
   64,079.76/88,434.54 = 35,786.46/x
3. Step 3: Cross multiply
   64,079.76x = 88,434.54 × 35,786.46
4. Step 4: Simplify right side
   64,079.76x = 3,164,759,128.33
5. Step 5: Solve for x
   x = 3,164,759,128.33/64,079.76
6. Step 6: Final answer
   x = 49,387.81