Finding the Fourth Proportional to 443,792.72, 612,284.37 and 252,670.79

Step by Step Solution

1. Step 1: Write the proportion equation
   443,792.72 : 612,284.37 = 252,670.79 : x
2. Step 2: Convert to fraction form
   443,792.72/612,284.37 = 252,670.79/x
3. Step 3: Cross multiply
   443,792.72x = 612,284.37 × 252,670.79
4. Step 4: Simplify right side
   443,792.72x = 154,706,376,055.75
5. Step 5: Solve for x
   x = 154,706,376,055.75/443,792.72
6. Step 6: Final answer
   x = 348,600.53