Finding the Fourth Proportional to 109,536.12, 164,328.12 and 42,982.20

Step by Step Solution

1. Step 1: Write the proportion equation
   109,536.12 : 164,328.12 = 42,982.20 : x
2. Step 2: Convert to fraction form
   109,536.12/164,328.12 = 42,982.20/x
3. Step 3: Cross multiply
   109,536.12x = 164,328.12 × 42,982.20
4. Step 4: Simplify right side
   109,536.12x = 7,063,184,119.46
5. Step 5: Solve for x
   x = 7,063,184,119.46/109,536.12
6. Step 6: Final answer
   x = 64,482.69