Finding the Fourth Proportional to 9,082,066.37, 12,520,228.79 and 7,144,962.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,082,066.37 : 12,520,228.79 = 7,144,962.71 : x
2. Step 2: Convert to fraction form
   9,082,066.37/12,520,228.79 = 7,144,962.71/x
3. Step 3: Cross multiply
   9,082,066.37x = 12,520,228.79 × 7,144,962.71
4. Step 4: Simplify right side
   9,082,066.37x = 89,456,567,780,479.69
5. Step 5: Solve for x
   x = 89,456,567,780,479.69/9,082,066.37
6. Step 6: Final answer
   x = 9,849,803.36