Finding the Fourth Proportional to 109,622.30, 164,369.64 and 42,984.32

Step by Step Solution

1. Step 1: Write the proportion equation
   109,622.30 : 164,369.64 = 42,984.32 : x
2. Step 2: Convert to fraction form
   109,622.30/164,369.64 = 42,984.32/x
3. Step 3: Cross multiply
   109,622.30x = 164,369.64 × 42,984.32
4. Step 4: Simplify right side
   109,622.30x = 7,065,317,204.04
5. Step 5: Solve for x
   x = 7,065,317,204.04/109,622.30
6. Step 6: Final answer
   x = 64,451.46