Finding the Fourth Proportional to 33,429.69, 46,153.98 and 21,513.78

Step by Step Solution

1. Step 1: Write the proportion equation
   33,429.69 : 46,153.98 = 21,513.78 : x
2. Step 2: Convert to fraction form
   33,429.69/46,153.98 = 21,513.78/x
3. Step 3: Cross multiply
   33,429.69x = 46,153.98 × 21,513.78
4. Step 4: Simplify right side
   33,429.69x = 992,946,571.84
5. Step 5: Solve for x
   x = 992,946,571.84/33,429.69
6. Step 6: Final answer
   x = 29,702.54