Finding the Fourth Proportional to 314,445.89, 433,945.89 and 176,649

Step by Step Solution

1. Step 1: Write the proportion equation
   314,445.89 : 433,945.89 = 176,649 : x
2. Step 2: Convert to fraction form
   314,445.89/433,945.89 = 176,649/x
3. Step 3: Cross multiply
   314,445.89x = 433,945.89 × 176,649
4. Step 4: Simplify right side
   314,445.89x = 76,656,107,522.61
5. Step 5: Solve for x
   x = 76,656,107,522.61/314,445.89
6. Step 6: Final answer
   x = 243,781.55