Finding the Fourth Proportional to 3,870,901.89, 5,341,865.37 and 2,128,683.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,870,901.89 : 5,341,865.37 = 2,128,683.62 : x
2. Step 2: Convert to fraction form
   3,870,901.89/5,341,865.37 = 2,128,683.62/x
3. Step 3: Cross multiply
   3,870,901.89x = 5,341,865.37 × 2,128,683.62
4. Step 4: Simplify right side
   3,870,901.89x = 11,371,141,286,654.91
5. Step 5: Solve for x
   x = 11,371,141,286,654.91/3,870,901.89
6. Step 6: Final answer
   x = 2,937,594.81