Finding the Fourth Proportional to 121,965.50, 182,930.01 and 42,016.07

Step by Step Solution

1. Step 1: Write the proportion equation
   121,965.50 : 182,930.01 = 42,016.07 : x
2. Step 2: Convert to fraction form
   121,965.50/182,930.01 = 42,016.07/x
3. Step 3: Cross multiply
   121,965.50x = 182,930.01 × 42,016.07
4. Step 4: Simplify right side
   121,965.50x = 7,685,999,190.61
5. Step 5: Solve for x
   x = 7,685,999,190.61/121,965.50
6. Step 6: Final answer
   x = 63,017.82