Finding the Fourth Proportional to 34,364.16, 47,405.72 and 21,633.12

Step by Step Solution

1. Step 1: Write the proportion equation
   34,364.16 : 47,405.72 = 21,633.12 : x
2. Step 2: Convert to fraction form
   34,364.16/47,405.72 = 21,633.12/x
3. Step 3: Cross multiply
   34,364.16x = 47,405.72 × 21,633.12
4. Step 4: Simplify right side
   34,364.16x = 1,025,533,629.45
5. Step 5: Solve for x
   x = 1,025,533,629.45/34,364.16
6. Step 6: Final answer
   x = 29,843.12