Finding the Fourth Proportional to 10,929,402.40, 16,404,601.20 and 5,544,133.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,929,402.40 : 16,404,601.20 = 5,544,133.60 : x
2. Step 2: Convert to fraction form
   10,929,402.40/16,404,601.20 = 5,544,133.60/x
3. Step 3: Cross multiply
   10,929,402.40x = 16,404,601.20 × 5,544,133.60
4. Step 4: Simplify right side
   10,929,402.40x = 90,949,300,707,520.31
5. Step 5: Solve for x
   x = 90,949,300,707,520.31/10,929,402.40
6. Step 6: Final answer
   x = 8,321,525.49