Finding the Fourth Proportional to 141,904.06, 195,861.72 and 85,304.50

Step by Step Solution

1. Step 1: Write the proportion equation
   141,904.06 : 195,861.72 = 85,304.50 : x
2. Step 2: Convert to fraction form
   141,904.06/195,861.72 = 85,304.50/x
3. Step 3: Cross multiply
   141,904.06x = 195,861.72 × 85,304.50
4. Step 4: Simplify right side
   141,904.06x = 16,707,886,093.74
5. Step 5: Solve for x
   x = 16,707,886,093.74/141,904.06
6. Step 6: Final answer
   x = 117,740.72