Finding the Fourth Proportional to 33,407.89, 46,108.82 and 19,980.62

Step by Step Solution

1. Step 1: Write the proportion equation
   33,407.89 : 46,108.82 = 19,980.62 : x
2. Step 2: Convert to fraction form
   33,407.89/46,108.82 = 19,980.62/x
3. Step 3: Cross multiply
   33,407.89x = 46,108.82 × 19,980.62
4. Step 4: Simplify right side
   33,407.89x = 921,282,811.07
5. Step 5: Solve for x
   x = 921,282,811.07/33,407.89
6. Step 6: Final answer
   x = 27,576.80