Finding the Fourth Proportional to 102,912.48, 154,367.04 and 32,790.84

Step by Step Solution

1. Step 1: Write the proportion equation
   102,912.48 : 154,367.04 = 32,790.84 : x
2. Step 2: Convert to fraction form
   102,912.48/154,367.04 = 32,790.84/x
3. Step 3: Cross multiply
   102,912.48x = 154,367.04 × 32,790.84
4. Step 4: Simplify right side
   102,912.48x = 5,061,824,909.91
5. Step 5: Solve for x
   x = 5,061,824,909.91/102,912.48
6. Step 6: Final answer
   x = 49,185.72