Finding the Fourth Proportional to 443,476.42, 612,106.83 and 252,602.62

Step by Step Solution

1. Step 1: Write the proportion equation
   443,476.42 : 612,106.83 = 252,602.62 : x
2. Step 2: Convert to fraction form
   443,476.42/612,106.83 = 252,602.62/x
3. Step 3: Cross multiply
   443,476.42x = 612,106.83 × 252,602.62
4. Step 4: Simplify right side
   443,476.42x = 154,619,788,977.90
5. Step 5: Solve for x
   x = 154,619,788,977.90/443,476.42
6. Step 6: Final answer
   x = 348,653.91