Finding the Fourth Proportional to 687,411.58, 1,030,871.30 and 238,011.82

Step by Step Solution

1. Step 1: Write the proportion equation
   687,411.58 : 1,030,871.30 = 238,011.82 : x
2. Step 2: Convert to fraction form
   687,411.58/1,030,871.30 = 238,011.82/x
3. Step 3: Cross multiply
   687,411.58x = 1,030,871.30 × 238,011.82
4. Step 4: Simplify right side
   687,411.58x = 245,359,554,298.77
5. Step 5: Solve for x
   x = 245,359,554,298.77/687,411.58
6. Step 6: Final answer
   x = 356,932.53