Finding the Fourth Proportional to 9,309,832.47, 12,847,367.41 and 5,389,754.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,309,832.47 : 12,847,367.41 = 5,389,754.78 : x
2. Step 2: Convert to fraction form
   9,309,832.47/12,847,367.41 = 5,389,754.78/x
3. Step 3: Cross multiply
   9,309,832.47x = 12,847,367.41 × 5,389,754.78
4. Step 4: Simplify right side
   9,309,832.47x = 69,244,159,927,107.75
5. Step 5: Solve for x
   x = 69,244,159,927,107.75/9,309,832.47
6. Step 6: Final answer
   x = 7,437,745.00