Finding the Fourth Proportional to 33,485.94, 46,214.28 and 21,397.50

Step by Step Solution

1. Step 1: Write the proportion equation
   33,485.94 : 46,214.28 = 21,397.50 : x
2. Step 2: Convert to fraction form
   33,485.94/46,214.28 = 21,397.50/x
3. Step 3: Cross multiply
   33,485.94x = 46,214.28 × 21,397.50
4. Step 4: Simplify right side
   33,485.94x = 988,870,056.30
5. Step 5: Solve for x
   x = 988,870,056.30/33,485.94
6. Step 6: Final answer
   x = 29,530.90