Finding the Fourth Proportional to 80,620.02, 120,982.71 and 30,700.61

Step by Step Solution

1. Step 1: Write the proportion equation
   80,620.02 : 120,982.71 = 30,700.61 : x
2. Step 2: Convert to fraction form
   80,620.02/120,982.71 = 30,700.61/x
3. Step 3: Cross multiply
   80,620.02x = 120,982.71 × 30,700.61
4. Step 4: Simplify right side
   80,620.02x = 3,714,242,996.45
5. Step 5: Solve for x
   x = 3,714,242,996.45/80,620.02
6. Step 6: Final answer
   x = 46,070.98