Finding the Fourth Proportional to 34,584.72, 47,730.50 and 21,164.91

Step by Step Solution

1. Step 1: Write the proportion equation
   34,584.72 : 47,730.50 = 21,164.91 : x
2. Step 2: Convert to fraction form
   34,584.72/47,730.50 = 21,164.91/x
3. Step 3: Cross multiply
   34,584.72x = 47,730.50 × 21,164.91
4. Step 4: Simplify right side
   34,584.72x = 1,010,211,736.76
5. Step 5: Solve for x
   x = 1,010,211,736.76/34,584.72
6. Step 6: Final answer
   x = 29,209.77