Finding the Fourth Proportional to 65,714.47, 90,591.56 and 46,818.79

Step by Step Solution

1. Step 1: Write the proportion equation
   65,714.47 : 90,591.56 = 46,818.79 : x
2. Step 2: Convert to fraction form
   65,714.47/90,591.56 = 46,818.79/x
3. Step 3: Cross multiply
   65,714.47x = 90,591.56 × 46,818.79
4. Step 4: Simplify right side
   65,714.47x = 4,241,387,223.41
5. Step 5: Solve for x
   x = 4,241,387,223.41/65,714.47
6. Step 6: Final answer
   x = 64,542.67