Finding the Fourth Proportional to 3,380,140.72, 5,066,799.32 and 2,118,854.08

Step by Step Solution

1. Step 1: Write the proportion equation
   3,380,140.72 : 5,066,799.32 = 2,118,854.08 : x
2. Step 2: Convert to fraction form
   3,380,140.72/5,066,799.32 = 2,118,854.08/x
3. Step 3: Cross multiply
   3,380,140.72x = 5,066,799.32 × 2,118,854.08
4. Step 4: Simplify right side
   3,380,140.72x = 10,735,808,411,723.23
5. Step 5: Solve for x
   x = 10,735,808,411,723.23/3,380,140.72
6. Step 6: Final answer
   x = 3,176,142.45