Finding the Fourth Proportional to 95,211.79, 142,817.38 and 28,651.83

Step by Step Solution

1. Step 1: Write the proportion equation
   95,211.79 : 142,817.38 = 28,651.83 : x
2. Step 2: Convert to fraction form
   95,211.79/142,817.38 = 28,651.83/x
3. Step 3: Cross multiply
   95,211.79x = 142,817.38 × 28,651.83
4. Step 4: Simplify right side
   95,211.79x = 4,091,978,685.61
5. Step 5: Solve for x
   x = 4,091,978,685.61/95,211.79
6. Step 6: Final answer
   x = 42,977.65