Finding the Fourth Proportional to 34,002.79, 46,930.57 and 21,730.34

Step by Step Solution

1. Step 1: Write the proportion equation
   34,002.79 : 46,930.57 = 21,730.34 : x
2. Step 2: Convert to fraction form
   34,002.79/46,930.57 = 21,730.34/x
3. Step 3: Cross multiply
   34,002.79x = 46,930.57 × 21,730.34
4. Step 4: Simplify right side
   34,002.79x = 1,019,817,305.49
5. Step 5: Solve for x
   x = 1,019,817,305.49/34,002.79
6. Step 6: Final answer
   x = 29,992.17