Finding the Fourth Proportional to 10,002,628.98, 13,803,541.37 and 5,418,939.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,002,628.98 : 13,803,541.37 = 5,418,939.42 : x
2. Step 2: Convert to fraction form
   10,002,628.98/13,803,541.37 = 5,418,939.42/x
3. Step 3: Cross multiply
   10,002,628.98x = 13,803,541.37 × 5,418,939.42
4. Step 4: Simplify right side
   10,002,628.98x = 74,800,554,465,493.80
5. Step 5: Solve for x
   x = 74,800,554,465,493.80/10,002,628.98
6. Step 6: Final answer
   x = 7,478,089.47