Finding the Fourth Proportional to 693,870.32, 957,528.56 and 392,057.84

Step by Step Solution

1. Step 1: Write the proportion equation
   693,870.32 : 957,528.56 = 392,057.84 : x
2. Step 2: Convert to fraction form
   693,870.32/957,528.56 = 392,057.84/x
3. Step 3: Cross multiply
   693,870.32x = 957,528.56 × 392,057.84
4. Step 4: Simplify right side
   693,870.32x = 375,406,578,971.91
5. Step 5: Solve for x
   x = 375,406,578,971.91/693,870.32
6. Step 6: Final answer
   x = 541,032.77