Finding the Fourth Proportional to 1,405,530.72, 1,939,633.20 and 760,951.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,405,530.72 : 1,939,633.20 = 760,951.08 : x
2. Step 2: Convert to fraction form
   1,405,530.72/1,939,633.20 = 760,951.08/x
3. Step 3: Cross multiply
   1,405,530.72x = 1,939,633.20 × 760,951.08
4. Step 4: Simplify right side
   1,405,530.72x = 1,475,965,978,343.86
5. Step 5: Solve for x
   x = 1,475,965,978,343.86/1,405,530.72
6. Step 6: Final answer
   x = 1,050,112.93