Finding the Fourth Proportional to 108,962.64, 163,429.56 and 42,423.12

Step by Step Solution

1. Step 1: Write the proportion equation
   108,962.64 : 163,429.56 = 42,423.12 : x
2. Step 2: Convert to fraction form
   108,962.64/163,429.56 = 42,423.12/x
3. Step 3: Cross multiply
   108,962.64x = 163,429.56 × 42,423.12
4. Step 4: Simplify right side
   108,962.64x = 6,933,191,835.43
5. Step 5: Solve for x
   x = 6,933,191,835.43/108,962.64
6. Step 6: Final answer
   x = 63,629.07