Finding the Fourth Proportional to 10,215,280.14, 14,097,182.88 and 5,631,765.54

Step by Step Solution

1. Step 1: Write the proportion equation
   10,215,280.14 : 14,097,182.88 = 5,631,765.54 : x
2. Step 2: Convert to fraction form
   10,215,280.14/14,097,182.88 = 5,631,765.54/x
3. Step 3: Cross multiply
   10,215,280.14x = 14,097,182.88 × 5,631,765.54
4. Step 4: Simplify right side
   10,215,280.14x = 79,392,028,754,661.95
5. Step 5: Solve for x
   x = 79,392,028,754,661.95/10,215,280.14
6. Step 6: Final answer
   x = 7,771,889.53