Finding the Fourth Proportional to 33,111.51, 49,669.89 and 9,418.74

Step by Step Solution

1. Step 1: Write the proportion equation
   33,111.51 : 49,669.89 = 9,418.74 : x
2. Step 2: Convert to fraction form
   33,111.51/49,669.89 = 9,418.74/x
3. Step 3: Cross multiply
   33,111.51x = 49,669.89 × 9,418.74
4. Step 4: Simplify right side
   33,111.51x = 467,827,779.74
5. Step 5: Solve for x
   x = 467,827,779.74/33,111.51
6. Step 6: Final answer
   x = 14,128.86