Finding the Fourth Proportional to 5,479,930.45, 7,684,499.75 and 5,479,930.45

Step by Step Solution

1. Step 1: Write the proportion equation
   5,479,930.45 : 7,684,499.75 = 5,479,930.45 : x
2. Step 2: Convert to fraction form
   5,479,930.45/7,684,499.75 = 5,479,930.45/x
3. Step 3: Cross multiply
   5,479,930.45x = 7,684,499.75 × 5,479,930.45
4. Step 4: Simplify right side
   5,479,930.45x = 42,110,524,173,042.39
5. Step 5: Solve for x
   x = 42,110,524,173,042.39/5,479,930.45
6. Step 6: Final answer
   x = 7,684,499.75