Finding the Fourth Proportional to 9,998,141.56, 13,797,414.30 and 5,414,448.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,998,141.56 : 13,797,414.30 = 5,414,448.76 : x
2. Step 2: Convert to fraction form
   9,998,141.56/13,797,414.30 = 5,414,448.76/x
3. Step 3: Cross multiply
   9,998,141.56x = 13,797,414.30 × 5,414,448.76
4. Step 4: Simplify right side
   9,998,141.56x = 74,705,392,747,841.27
5. Step 5: Solve for x
   x = 74,705,392,747,841.27/9,998,141.56
6. Step 6: Final answer
   x = 7,471,927.89