Finding the Fourth Proportional to 442,401.84, 610,535.88 and 248,870.16

Step by Step Solution

1. Step 1: Write the proportion equation
   442,401.84 : 610,535.88 = 248,870.16 : x
2. Step 2: Convert to fraction form
   442,401.84/610,535.88 = 248,870.16/x
3. Step 3: Cross multiply
   442,401.84x = 610,535.88 × 248,870.16
4. Step 4: Simplify right side
   442,401.84x = 151,944,162,141.34
5. Step 5: Solve for x
   x = 151,944,162,141.34/442,401.84
6. Step 6: Final answer
   x = 343,452.83