Finding the Fourth Proportional to 1,030,300.92, 1,545,525.17 and 272,134.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,030,300.92 : 1,545,525.17 = 272,134.83 : x
2. Step 2: Convert to fraction form
   1,030,300.92/1,545,525.17 = 272,134.83/x
3. Step 3: Cross multiply
   1,030,300.92x = 1,545,525.17 × 272,134.83
4. Step 4: Simplify right side
   1,030,300.92x = 420,591,230,079.01
5. Step 5: Solve for x
   x = 420,591,230,079.01/1,030,300.92
6. Step 6: Final answer
   x = 408,221.74