Finding the Fourth Proportional to 82,987.74, 114,490.59 and 46,680.78

Step by Step Solution

1. Step 1: Write the proportion equation
   82,987.74 : 114,490.59 = 46,680.78 : x
2. Step 2: Convert to fraction form
   82,987.74/114,490.59 = 46,680.78/x
3. Step 3: Cross multiply
   82,987.74x = 114,490.59 × 46,680.78
4. Step 4: Simplify right side
   82,987.74x = 5,344,510,043.86
5. Step 5: Solve for x
   x = 5,344,510,043.86/82,987.74
6. Step 6: Final answer
   x = 64,401.20