Finding the Fourth Proportional to 109,410.32, 150,840.01 and 82,070.18

Step by Step Solution

1. Step 1: Write the proportion equation
   109,410.32 : 150,840.01 = 82,070.18 : x
2. Step 2: Convert to fraction form
   109,410.32/150,840.01 = 82,070.18/x
3. Step 3: Cross multiply
   109,410.32x = 150,840.01 × 82,070.18
4. Step 4: Simplify right side
   109,410.32x = 12,379,466,771.90
5. Step 5: Solve for x
   x = 12,379,466,771.90/109,410.32
6. Step 6: Final answer
   x = 113,147.16