Finding the Fourth Proportional to 3,906,615.94, 5,861,607.88 and 2,109,142.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,906,615.94 : 5,861,607.88 = 2,109,142.50 : x
2. Step 2: Convert to fraction form
   3,906,615.94/5,861,607.88 = 2,109,142.50/x
3. Step 3: Cross multiply
   3,906,615.94x = 5,861,607.88 × 2,109,142.50
4. Step 4: Simplify right side
   3,906,615.94x = 12,362,966,298,042.90
5. Step 5: Solve for x
   x = 12,362,966,298,042.90/3,906,615.94
6. Step 6: Final answer
   x = 3,164,622.91