Finding the Fourth Proportional to 34,734.63, 47,934.69 and 21,298.15

Step by Step Solution

1. Step 1: Write the proportion equation
   34,734.63 : 47,934.69 = 21,298.15 : x
2. Step 2: Convert to fraction form
   34,734.63/47,934.69 = 21,298.15/x
3. Step 3: Cross multiply
   34,734.63x = 47,934.69 × 21,298.15
4. Step 4: Simplify right side
   34,734.63x = 1,020,920,217.82
5. Step 5: Solve for x
   x = 1,020,920,217.82/34,734.63
6. Step 6: Final answer
   x = 29,392.00