Finding the Fourth Proportional to 10,143,162.28, 13,997,902.46 and 5,559,495.40

Step by Step Solution

1. Step 1: Write the proportion equation
   10,143,162.28 : 13,997,902.46 = 5,559,495.40 : x
2. Step 2: Convert to fraction form
   10,143,162.28/13,997,902.46 = 5,559,495.40/x
3. Step 3: Cross multiply
   10,143,162.28x = 13,997,902.46 × 5,559,495.40
4. Step 4: Simplify right side
   10,143,162.28x = 77,821,274,336,018.69
5. Step 5: Solve for x
   x = 77,821,274,336,018.69/10,143,162.28
6. Step 6: Final answer
   x = 7,672,289.19