Finding the Fourth Proportional to 67,459.60, 101,179.86 and 42,423.30

Step by Step Solution

1. Step 1: Write the proportion equation
   67,459.60 : 101,179.86 = 42,423.30 : x
2. Step 2: Convert to fraction form
   67,459.60/101,179.86 = 42,423.30/x
3. Step 3: Cross multiply
   67,459.60x = 101,179.86 × 42,423.30
4. Step 4: Simplify right side
   67,459.60x = 4,292,383,554.74
5. Step 5: Solve for x
   x = 4,292,383,554.74/67,459.60
6. Step 6: Final answer
   x = 63,628.95