Finding the Fourth Proportional to 33,111.64, 49,662.13 and 9,090.34

Step by Step Solution

1. Step 1: Write the proportion equation
   33,111.64 : 49,662.13 = 9,090.34 : x
2. Step 2: Convert to fraction form
   33,111.64/49,662.13 = 9,090.34/x
3. Step 3: Cross multiply
   33,111.64x = 49,662.13 × 9,090.34
4. Step 4: Simplify right side
   33,111.64x = 451,445,499.94
5. Step 5: Solve for x
   x = 451,445,499.94/33,111.64
6. Step 6: Final answer
   x = 13,634.04