Finding the Fourth Proportional to 11,269,222.48, 16,904,488.20 and 3,181,521.12

Step by Step Solution

1. Step 1: Write the proportion equation
   11,269,222.48 : 16,904,488.20 = 3,181,521.12 : x
2. Step 2: Convert to fraction form
   11,269,222.48/16,904,488.20 = 3,181,521.12/x
3. Step 3: Cross multiply
   11,269,222.48x = 16,904,488.20 × 3,181,521.12
4. Step 4: Simplify right side
   11,269,222.48x = 53,781,986,231,090.78
5. Step 5: Solve for x
   x = 53,781,986,231,090.78/11,269,222.48
6. Step 6: Final answer
   x = 4,772,466.45