Finding the Fourth Proportional to 2,151,148.50, 3,222,661.47 and 1,665,664.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,151,148.50 : 3,222,661.47 = 1,665,664.11 : x
2. Step 2: Convert to fraction form
   2,151,148.50/3,222,661.47 = 1,665,664.11/x
3. Step 3: Cross multiply
   2,151,148.50x = 3,222,661.47 × 1,665,664.11
4. Step 4: Simplify right side
   2,151,148.50x = 5,367,871,549,258.84
5. Step 5: Solve for x
   x = 5,367,871,549,258.84/2,151,148.50
6. Step 6: Final answer
   x = 2,495,351.46