Finding the Fourth Proportional to 1,384,456, 1,910,545.46 and 772,602.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,384,456 : 1,910,545.46 = 772,602.24 : x
2. Step 2: Convert to fraction form
   1,384,456/1,910,545.46 = 772,602.24/x
3. Step 3: Cross multiply
   1,384,456x = 1,910,545.46 × 772,602.24
4. Step 4: Simplify right side
   1,384,456x = 1,476,091,702,017.83
5. Step 5: Solve for x
   x = 1,476,091,702,017.83/1,384,456
6. Step 6: Final answer
   x = 1,066,188.96