Finding the Fourth Proportional to 2,456,109.47, 3,683,991.58 and 918,811.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456,109.47 : 3,683,991.58 = 918,811.69 : x
2. Step 2: Convert to fraction form
   2,456,109.47/3,683,991.58 = 918,811.69/x
3. Step 3: Cross multiply
   2,456,109.47x = 3,683,991.58 × 918,811.69
4. Step 4: Simplify right side
   2,456,109.47x = 3,384,894,518,058.56
5. Step 5: Solve for x
   x = 3,384,894,518,058.56/2,456,109.47
6. Step 6: Final answer
   x = 1,378,152.95