Finding the Fourth Proportional to 1,384,518.37, 1,910,809.37 and 803,616.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,384,518.37 : 1,910,809.37 = 803,616.61 : x
2. Step 2: Convert to fraction form
   1,384,518.37/1,910,809.37 = 803,616.61/x
3. Step 3: Cross multiply
   1,384,518.37x = 1,910,809.37 × 803,616.61
4. Step 4: Simplify right side
   1,384,518.37x = 1,535,558,144,257.55
5. Step 5: Solve for x
   x = 1,535,558,144,257.55/1,384,518.37
6. Step 6: Final answer
   x = 1,109,091.93