Finding the Fourth Proportional to 379,665, 569,592.72 and 113,424.48

Step by Step Solution

1. Step 1: Write the proportion equation
   379,665 : 569,592.72 = 113,424.48 : x
2. Step 2: Convert to fraction form
   379,665/569,592.72 = 113,424.48/x
3. Step 3: Cross multiply
   379,665x = 569,592.72 × 113,424.48
4. Step 4: Simplify right side
   379,665x = 64,605,758,077.79
5. Step 5: Solve for x
   x = 64,605,758,077.79/379,665
6. Step 6: Final answer
   x = 170,165.17