Finding the Fourth Proportional to 2,186,683.55, 3,017,627.67 and 1,219,788.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,186,683.55 : 3,017,627.67 = 1,219,788.71 : x
2. Step 2: Convert to fraction form
   2,186,683.55/3,017,627.67 = 1,219,788.71/x
3. Step 3: Cross multiply
   2,186,683.55x = 3,017,627.67 × 1,219,788.71
4. Step 4: Simplify right side
   2,186,683.55x = 3,680,868,162,849.61
5. Step 5: Solve for x
   x = 3,680,868,162,849.61/2,186,683.55
6. Step 6: Final answer
   x = 1,683,310.86