Finding the Fourth Proportional to 104,609.50, 156,948.81 and 42,245.98

Step by Step Solution

1. Step 1: Write the proportion equation
   104,609.50 : 156,948.81 = 42,245.98 : x
2. Step 2: Convert to fraction form
   104,609.50/156,948.81 = 42,245.98/x
3. Step 3: Cross multiply
   104,609.50x = 156,948.81 × 42,245.98
4. Step 4: Simplify right side
   104,609.50x = 6,630,456,288.28
5. Step 5: Solve for x
   x = 6,630,456,288.28/104,609.50
6. Step 6: Final answer
   x = 63,382.93