Finding the Fourth Proportional to 2,148,912.72, 2,965,575.24 and 1,182,116.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,148,912.72 : 2,965,575.24 = 1,182,116.16 : x
2. Step 2: Convert to fraction form
   2,148,912.72/2,965,575.24 = 1,182,116.16/x
3. Step 3: Cross multiply
   2,148,912.72x = 2,965,575.24 × 1,182,116.16
4. Step 4: Simplify right side
   2,148,912.72x = 3,505,654,414,899.88
5. Step 5: Solve for x
   x = 3,505,654,414,899.88/2,148,912.72
6. Step 6: Final answer
   x = 1,631,361.94