Finding the Fourth Proportional to 3,003,978.84, 4,479,172.23 and 2,670,155.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,003,978.84 : 4,479,172.23 = 2,670,155.16 : x
2. Step 2: Convert to fraction form
   3,003,978.84/4,479,172.23 = 2,670,155.16/x
3. Step 3: Cross multiply
   3,003,978.84x = 4,479,172.23 × 2,670,155.16
4. Step 4: Simplify right side
   3,003,978.84x = 11,960,084,842,463.21
5. Step 5: Solve for x
   x = 11,960,084,842,463.21/3,003,978.84
6. Step 6: Final answer
   x = 3,981,414.48