Finding the Fourth Proportional to 34,869.83, 48,132.71 and 20,722.50

Step by Step Solution

1. Step 1: Write the proportion equation
   34,869.83 : 48,132.71 = 20,722.50 : x
2. Step 2: Convert to fraction form
   34,869.83/48,132.71 = 20,722.50/x
3. Step 3: Cross multiply
   34,869.83x = 48,132.71 × 20,722.50
4. Step 4: Simplify right side
   34,869.83x = 997,429,979.36
5. Step 5: Solve for x
   x = 997,429,979.36/34,869.83
6. Step 6: Final answer
   x = 28,604.39