Finding the Fourth Proportional to 297,111.51, 409,881.06 and 176,257.89

Step by Step Solution

1. Step 1: Write the proportion equation
   297,111.51 : 409,881.06 = 176,257.89 : x
2. Step 2: Convert to fraction form
   297,111.51/409,881.06 = 176,257.89/x
3. Step 3: Cross multiply
   297,111.51x = 409,881.06 × 176,257.89
4. Step 4: Simplify right side
   297,111.51x = 72,244,770,786.56
5. Step 5: Solve for x
   x = 72,244,770,786.56/297,111.51
6. Step 6: Final answer
   x = 243,157.09