Finding the Fourth Proportional to 2,157,541.11, 2,978,526.03 and 1,576,111.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,157,541.11 : 2,978,526.03 = 1,576,111.37 : x
2. Step 2: Convert to fraction form
   2,157,541.11/2,978,526.03 = 1,576,111.37/x
3. Step 3: Cross multiply
   2,157,541.11x = 2,978,526.03 × 1,576,111.37
4. Step 4: Simplify right side
   2,157,541.11x = 4,694,488,720,920.91
5. Step 5: Solve for x
   x = 4,694,488,720,920.91/2,157,541.11
6. Step 6: Final answer
   x = 2,175,851.34