Finding the Fourth Proportional to 729,870.48, 1,095,039.90 and 350,818.72

Step by Step Solution

1. Step 1: Write the proportion equation
   729,870.48 : 1,095,039.90 = 350,818.72 : x
2. Step 2: Convert to fraction form
   729,870.48/1,095,039.90 = 350,818.72/x
3. Step 3: Cross multiply
   729,870.48x = 1,095,039.90 × 350,818.72
4. Step 4: Simplify right side
   729,870.48x = 384,160,493,329.33
5. Step 5: Solve for x
   x = 384,160,493,329.33/729,870.48
6. Step 6: Final answer
   x = 526,340.64