Finding the Fourth Proportional to 11,428,526.05, 17,141,739.31 and 3,855,557.41

Step by Step Solution

1. Step 1: Write the proportion equation
   11,428,526.05 : 17,141,739.31 = 3,855,557.41 : x
2. Step 2: Convert to fraction form
   11,428,526.05/17,141,739.31 = 3,855,557.41/x
3. Step 3: Cross multiply
   11,428,526.05x = 17,141,739.31 × 3,855,557.41
4. Step 4: Simplify right side
   11,428,526.05x = 66,090,959,978,923.89
5. Step 5: Solve for x
   x = 66,090,959,978,923.89/11,428,526.05
6. Step 6: Final answer
   x = 5,782,981.96