Finding the Fourth Proportional to 7,231,165.58, 9,978,981.12 and 3,968,034.91

Step by Step Solution

1. Step 1: Write the proportion equation
   7,231,165.58 : 9,978,981.12 = 3,968,034.91 : x
2. Step 2: Convert to fraction form
   7,231,165.58/9,978,981.12 = 3,968,034.91/x
3. Step 3: Cross multiply
   7,231,165.58x = 9,978,981.12 × 3,968,034.91
4. Step 4: Simplify right side
   7,231,165.58x = 39,596,945,425,443.45
5. Step 5: Solve for x
   x = 39,596,945,425,443.45/7,231,165.58
6. Step 6: Final answer
   x = 5,475,873.15