Finding the Fourth Proportional to 34,960.61, 48,226.69 and 20,810.72

Step by Step Solution

1. Step 1: Write the proportion equation
   34,960.61 : 48,226.69 = 20,810.72 : x
2. Step 2: Convert to fraction form
   34,960.61/48,226.69 = 20,810.72/x
3. Step 3: Cross multiply
   34,960.61x = 48,226.69 × 20,810.72
4. Step 4: Simplify right side
   34,960.61x = 1,003,632,288.70
5. Step 5: Solve for x
   x = 1,003,632,288.70/34,960.61
6. Step 6: Final answer
   x = 28,707.51