Finding the Fourth Proportional to 9,982,818.05, 13,776,298.09 and 5,399,139.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,982,818.05 : 13,776,298.09 = 5,399,139.42 : x
2. Step 2: Convert to fraction form
   9,982,818.05/13,776,298.09 = 5,399,139.42/x
3. Step 3: Cross multiply
   9,982,818.05x = 13,776,298.09 × 5,399,139.42
4. Step 4: Simplify right side
   9,982,818.05x = 74,380,154,065,891.86
5. Step 5: Solve for x
   x = 74,380,154,065,891.86/9,982,818.05
6. Step 6: Final answer
   x = 7,450,817.37