Finding the Fourth Proportional to 3,380,146.96, 5,066,808.72 and 2,118,860.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,380,146.96 : 5,066,808.72 = 2,118,860.32 : x
2. Step 2: Convert to fraction form
   3,380,146.96/5,066,808.72 = 2,118,860.32/x
3. Step 3: Cross multiply
   3,380,146.96x = 5,066,808.72 × 2,118,860.32
4. Step 4: Simplify right side
   3,380,146.96x = 10,735,859,945,837.99
5. Step 5: Solve for x
   x = 10,735,859,945,837.99/3,380,146.96
6. Step 6: Final answer
   x = 3,176,151.83