Finding the Fourth Proportional to 1,384,250.72, 1,910,259.75 and 772,367.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,384,250.72 : 1,910,259.75 = 772,367.75 : x
2. Step 2: Convert to fraction form
   1,384,250.72/1,910,259.75 = 772,367.75/x
3. Step 3: Cross multiply
   1,384,250.72x = 1,910,259.75 × 772,367.75
4. Step 4: Simplify right side
   1,384,250.72x = 1,475,423,036,276.83
5. Step 5: Solve for x
   x = 1,475,423,036,276.83/1,384,250.72
6. Step 6: Final answer
   x = 1,065,864.02